APA

Verma R. S., Babu A., . (1989). Human chromosomes. New York [u.a.]: Pergamon Press.

Chicago

Verma Ram Sagar, Babu Arvind, . 1989. Human chromosomes. New York [u.a.]: Pergamon Press.

Harvard

Verma R. S., Babu A., . (1989). Human chromosomes. New York [u.a.]: Pergamon Press.

MLA

Verma Ram Sagar, Babu Arvind, . Human chromosomes. New York [u.a.]: Pergamon Press. 1989.