Dyfyniad APA

Emeral, P. (2013). Economic geography. Random Exports.

Dyfyniad Arddull Chicago

Emeral, Philip. Economic Geography. New Delhi: Random Exports, 2013.

Dyfyniad MLA

Emeral, Philip. Economic Geography. Random Exports, 2013.

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