Gaya APA

Ferl, R. et al (1991). Biology, the science of live / Robert A. Wallace, Gerald P. Sanders, Robert J. Fere (Ed.ke-3). New York, NY: Harper Collins.

Gaya MLA

Ferl, Robert. et al. "Biology, the science of live / Robert A. Wallace, Gerald P. Sanders, Robert J. Fere". Ed.ke-3 New York, NY: Harper Collins, 1991. Textbook.