Dyfyniad APA

Bacon, R. F., & Hamor, W. A. (1916). The American petroleum industry .. McGraw-Hill.

Dyfyniad Arddull Chicago

Bacon, Raymond Foss, and William Allen Hamor. The American Petroleum Industry .. New York: McGraw-Hill, 1916.

Dyfyniad MLA

Bacon, Raymond Foss, and William Allen Hamor. The American Petroleum Industry .. McGraw-Hill, 1916.

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