Dyfyniad APA

Hope, R. (1969). Economic geography (5th ed.). George Philip.

Dyfyniad Arddull Chicago

Hope, Ronald. Economic Geography. 5th ed. London: George Philip, 1969.

Dyfyniad MLA

Hope, Ronald. Economic Geography. 5th ed. George Philip, 1969.

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