Dyfyniad APA

Clubley, S. (1998). Trading in Oil Futures and Options (Second Edition). ELSEVIER.

Dyfyniad Arddull Chicago

Clubley, Sally. Trading in Oil Futures and Options (Second Edition). ELSEVIER, 1998.

Dyfyniad MLA

Clubley, Sally. Trading in Oil Futures and Options (Second Edition). ELSEVIER, 1998.

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