Gaya APA

Barnett, R, A. et al (2001). Precalculus : functions and graphhs / Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen (ed. 5). New York: McGraw-Hill.

Gaya MLA

Barnett, Raymond, A.. et al. "Precalculus : functions and graphhs / Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen". ed. 5 New York: McGraw-Hill, 2001. Buku.