Pack, P. E. (2001). CliffsAP biology (2nd ed.). IDG Books Worldwide.
Chicago Style (17th ed.) CitationPack, Phillip E. CliffsAP Biology. 2nd ed. Foster City, CA: IDG Books Worldwide, 2001.
MLA引文Pack, Phillip E. CliffsAP Biology. 2nd ed. IDG Books Worldwide, 2001.
警告:這些引文格式不一定是100%准確.