Dyfyniad APA

Kass, D. (1981). Vegetables suitable for association with subsistence maize and beans in the highlands of Guatemala.

Dyfyniad Arddull Chicago

Kass, D.C.L. Vegetables Suitable for Association With Subsistence Maize and Beans in the Highlands of Guatemala. 1981.

Dyfyniad MLA

Kass, D.C.L. Vegetables Suitable for Association With Subsistence Maize and Beans in the Highlands of Guatemala. 1981.

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