Gaya APA

Barnett, R, A., Ziegler, M, R. (2001). Pricalculus functions and graphs (Ed. 5). New York: McGraw-Hill.

Gaya MLA

Barnett, Raymond, A.., Ziegler, Michael, R.. "Pricalculus functions and graphs". Ed. 5 New York: McGraw-Hill, 2001. Text.