Dyfyniad APA

Allison, G. (1999). Essence of decision: Explaining the cuban missile crisis (2nd ed.). Lougman.

Dyfyniad Arddull Chicago

Allison, Grahan. Essence of Decision: Explaining the Cuban Missile Crisis. 2nd ed. NewYork: Lougman, 1999.

Dyfyniad MLA

Allison, Grahan. Essence of Decision: Explaining the Cuban Missile Crisis. 2nd ed. Lougman, 1999.

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