Dyfyniad APA

Chisholm, G. G., & Stamp, D. (1966). Chisholm's handbook of commercial geography (18th ed. / entirely rewritten by Dudley Stamp.). Longmans.

Dyfyniad Arddull Chicago

Chisholm, George G., and Dudley Stamp. Chisholm's Handbook of Commercial Geography. 18th ed. / entirely rewritten by Dudley Stamp. London: Longmans, 1966.

Dyfyniad MLA

Chisholm, George G., and Dudley Stamp. Chisholm's Handbook of Commercial Geography. 18th ed. / entirely rewritten by Dudley Stamp. Longmans, 1966.

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