Glorig, A., & Roberts, J. (1979). Hearing levels of adults by age and sex, United States, 1960-1962: Distributions of hearing levels of adults by age and sex at frequencies of 500, 1000, 2000, 3000, 4000, and 6000 cycles per second, for right ear, left ear, and better ear. U.S. Department of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics.
Chicago Style (17th ed.) CitationGlorig, Aram, and Jean Roberts. Hearing Levels of Adults by Age and Sex, United States, 1960-1962: Distributions of Hearing Levels of Adults by Age and Sex at Frequencies of 500, 1000, 2000, 3000, 4000, and 6000 Cycles Per Second, for Right Ear, Left Ear, and Better Ear. Hyattsville, Maryland: U.S. Department of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1979.
MLA (9th ed.) CitationGlorig, Aram, and Jean Roberts. Hearing Levels of Adults by Age and Sex, United States, 1960-1962: Distributions of Hearing Levels of Adults by Age and Sex at Frequencies of 500, 1000, 2000, 3000, 4000, and 6000 Cycles Per Second, for Right Ear, Left Ear, and Better Ear. U.S. Department of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1979.