Bales, S. F. (1991). Burpee Americam gardening series annuals. Prentice Hall Press.
Chicago Style (17th ed.) CitationBales, Suzanne Frutig. Burpee Americam Gardening Series Annuals. Prentice Hall Press, 1991.
MLA引文Bales, Suzanne Frutig. Burpee Americam Gardening Series Annuals. Prentice Hall Press, 1991.
警告：这些引文格式不一定是100％准确.