Dyfyniad APA

SCHREBER, J. (1983). Regions of our country and our world. Scott.

Dyfyniad Arddull Chicago

SCHREBER, John. Regions of Our Country and Our World. Glenview: Scott, 1983.

Dyfyniad MLA

SCHREBER, John. Regions of Our Country and Our World. Scott, 1983.

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