Gaya APA

Kipfer, B, A., Lexicographer, H. (2005). Roget's 21st Century Thesaurus in Dictoinary form (Ed. 3). New York: A Dell Book.

Gaya MLA

Kipfer, Barbara, Ann., Lexicographer, Head. "Roget's 21st Century Thesaurus in Dictoinary form". Ed. 3 New York: A Dell Book, 2005. Buku PPS Pend. Biologi.