Gaya APA

Biology. (2005). New York: Mc Graw Hill.

Gaya Chicago

Biology. 7. New York: Mc Graw Hill, 2005. Buku.

Gaya MLA

Biology. 7. New York: Mc Graw Hill, 2005. Buku.

Gaya Turabian

Biology. New York: Mc Graw Hill, 2005. Buku.