Παραπομπή σε μορφή APA (7η εκδ.)

Wrigley, E. A. (1987). People, cities and wealth: The transformation of traditional society. Basil Blackwell.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wrigley, E. A. People, Cities and Wealth: The Transformation of Traditional Society. Oxford: Basil Blackwell, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wrigley, E. A. People, Cities and Wealth: The Transformation of Traditional Society. Basil Blackwell, 1987.