Dyfyniad APA

Congdon, P., & Stillwell, J. (1991). Migration models: Macro and micro approaches. Belhaven Press.

Dyfyniad Arddull Chicago

Congdon, P., and John Stillwell. Migration Models: Macro and Micro Approaches. London: Belhaven Press, 1991.

Dyfyniad MLA

Congdon, P., and John Stillwell. Migration Models: Macro and Micro Approaches. Belhaven Press, 1991.

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