Gaya APA

trefil, J., hazen, R, M. (2007). the an intergrated approach 5e sciences (5). the United States of America: John Wiley & Sons, Ltd.

Gaya MLA

trefil, James., hazen, Robert, M.. "the an intergrated approach 5e sciences". 5 the United States of America: John Wiley & Sons, Ltd, 2007. Text.