APA استشهاد

Goodall,Brian, & Kirby,Andrew. (1979). Resources and planning. Pergamon.

استشهاد بنمط شيكاغو

Goodall,Brian, و Kirby,Andrew. Resources and Planning. New York: Pergamon, 1979.

MLA استشهاد

Goodall,Brian, و Kirby,Andrew. Resources and Planning. Pergamon, 1979.