Finch, V. C. (1942). Elements of geography. New York: McGraw-Hill book company.
Dyfyniad Arddull ChicagoFinch, Vernor C. Elements of Geography. New York: McGraw-Hill book company, 1942.
Dyfyniad MLAFinch, Vernor C. Elements of Geography. New York: McGraw-Hill book company, 1942.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.