APA استشهاد

Gilchrist, A. [. (1990). The UDC: Essays for a new decade. Aslish and contributors.

استشهاد بنمط شيكاغو

Gilchrist, Alan [Ed.]. The UDC: Essays for a New Decade. London: Aslish and contributors, 1990.

MLA استشهاد

Gilchrist, Alan [Ed.]. The UDC: Essays for a New Decade. Aslish and contributors, 1990.