Παραπομπή σε μορφή APA (7η εκδ.)

Beale, J. G. (1980). The manager and the environment: General theory and practice of environmental management. Pergamon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Beale, Jack G. The Manager and the Environment: General Theory and Practice of Environmental Management. Oxford New York: Pergamon Press, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Beale, Jack G. The Manager and the Environment: General Theory and Practice of Environmental Management. Pergamon Press, 1980.