Dyfyniad APA
Pilipovi�c, D. (1998). Energy risk: Valuing and managing energy derivatives. McGraw-Hill.
Dyfyniad Arddull Chicago
Pilipovi�c, Dragana. Energy Risk: Valuing and Managing Energy Derivatives. New York: McGraw-Hill, 1998.
Dyfyniad MLA
Pilipovi�c, Dragana. Energy Risk: Valuing and Managing Energy Derivatives. McGraw-Hill, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.