Dyfyniad APA

Chisholm, G. (1975). Chisholm`s handbook of commercial Geography (19th.). Longman.

Dyfyniad Arddull Chicago

Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. London: Longman, 1975.

Dyfyniad MLA

Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. Longman, 1975.

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