APA

Little M. A., . (1989). Human population biology. New York, N.Y. u.a: Oxford University Press.

Chicago

Little Michael A, . 1989. Human population biology. New York, N.Y. u.a: Oxford University Press.

Harvard

Little M. A., . (1989). Human population biology. New York, N.Y. u.a: Oxford University Press.

MLA

Little Michael A, . Human population biology. New York, N.Y. u.a: Oxford University Press. 1989.