Dyfyniad APA

Green, A., & Owen, D. (1990). The development of a classification of travel-to-work areas. Pergamon Press.

Dyfyniad Arddull Chicago

Green, A.E, and D.W Owen. The Development of a Classification of Travel-to-work Areas. Oxford: Pergamon Press, 1990.

Dyfyniad MLA

Green, A.E, and D.W Owen. The Development of a Classification of Travel-to-work Areas. Pergamon Press, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.