Dyfyniad APA

Schackne, S., & Drake, N. D. (1955). Oil for the world (2nd ed.).

Dyfyniad Arddull Chicago

Schackne, Stewartand, and N. D'arcy Drake. Oil for the World. 2nd ed. 1955.

Dyfyniad MLA

Schackne, Stewartand, and N. D'arcy Drake. Oil for the World. 2nd ed. 1955.

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