Gaya APA

CAMPBELL, John R.. (1985). The Science Of Animals That Serve Humanity (3rd ed.). New York: McGRAW-HILL BOOK COMPANY.

Gaya Chicago

CAMPBELL, John R.. The Science Of Animals That Serve Humanity. 3rd ed. New York: McGRAW-HILL BOOK COMPANY, 1985. Teks.

Gaya MLA

CAMPBELL, John R.. The Science Of Animals That Serve Humanity. 3rd ed. New York: McGRAW-HILL BOOK COMPANY, 1985. Teks.

Gaya Turabian

CAMPBELL, John R.. The Science Of Animals That Serve Humanity. 3rd ed. New York: McGRAW-HILL BOOK COMPANY, 1985. Teks.