Dyfyniad APA

Meighan, C. W., & Pontoni, V. L. (1978). Seven rock art sites in Baja, California. Ballena Press.

Dyfyniad Arddull Chicago

Meighan, Clement W., and V. L. Pontoni. Seven Rock Art Sites in Baja, California. Socorro, N.M.: Ballena Press, 1978.

Dyfyniad MLA

Meighan, Clement W., and V. L. Pontoni. Seven Rock Art Sites in Baja, California. Ballena Press, 1978.

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