Dyfyniad APA

Nettleton, L. L. (1976). Gravity and magetics in oil prospecting. MCGraw-Hill.

Dyfyniad Arddull Chicago

Nettleton, L. L. Gravity and Magetics in Oil Prospecting. New york: MCGraw-Hill, 1976.

Dyfyniad MLA

Nettleton, L. L. Gravity and Magetics in Oil Prospecting. MCGraw-Hill, 1976.

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