Gaya APA

Barnett, R, A, B, R, A. (2001). Precalculus : function and graphs.-- (Ed. 5.--). America: McGraw-Hill.

Gaya MLA

Barnett, Raymond, A., Barnett,, Raymond, A.. "Precalculus : function and graphs.--". Ed. 5.-- America: McGraw-Hill, 2001. Buku.