Gaya APA

Cummings, W, S, K, &, M, R. (2000). Concepts Of Genetics (Ed 6). U.S.A: Prentice Hall.

Gaya MLA

Cummings, Williams, S., Klug, &, Michael, R.. "Concepts Of Genetics". Ed 6 U.S.A: Prentice Hall, 2000. Text.