National Turfgrass Evaluation Program (U.S.). (1996). National Kentucky bluegrass test-1990: Low maintenance : 1995 progress report. National Turfgrass Evaluation Program, U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center.
Chicago Style (17th ed.) CitationNational Turfgrass Evaluation Program (U.S.). National Kentucky Bluegrass Test-1990: Low Maintenance : 1995 Progress Report. Beltsville, Md.: National Turfgrass Evaluation Program, U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 1996.
MLA (9th ed.) CitationNational Turfgrass Evaluation Program (U.S.). National Kentucky Bluegrass Test-1990: Low Maintenance : 1995 Progress Report. National Turfgrass Evaluation Program, U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 1996.