APA Style

Longman, . (1988). Medical Research Centres : a world Directory of Organizations and Programmes. eight edition. Vol. 1 A to N . USA: LONGMAN PUB.

MLA Style

Longman, . "Medical Research Centres : a world Directory of Organizations and Programmes. eight edition. Vol. 1 A to N". USA: LONGMAN PUB, 1988. Buku.