Dyfyniad APA

Wharton, C. R. (1969). Subsistence agriculture and economic development. Adline.

Dyfyniad Arddull Chicago

Wharton, Clifton R. Subsistence Agriculture and Economic Development. Chicago: Adline, 1969.

Dyfyniad MLA

Wharton, Clifton R. Subsistence Agriculture and Economic Development. Adline, 1969.

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