California. University. Survey Research Center & Nicholls, W. L. (1974). Sampling and field work methods of the 1973-74 BART impact travel survey. The Center.
Chicago Style (17th ed.) CitationCalifornia. University. Survey Research Center and William L. Nicholls. Sampling and Field Work Methods of the 1973-74 BART Impact Travel Survey. Berkeley: The Center, 1974.
MLA (9th ed.) CitationCalifornia. University. Survey Research Center and William L. Nicholls. Sampling and Field Work Methods of the 1973-74 BART Impact Travel Survey. The Center, 1974.
Warning: These citations may not always be 100% accurate.