Cita APA (7th ed.)

Purkitt, H. E., & Burgess, S. F. (2005). South Africa's weapons of mass destruction. Indiana University Press.

Cita Chicago (17th ed.)

Purkitt, Helen E., i Stephen Franklin Burgess. South Africa's Weapons of Mass Destruction. Bloomington, IN: Indiana University Press, 2005.

Cita MLA (9th ed.)

Purkitt, Helen E., i Stephen Franklin Burgess. South Africa's Weapons of Mass Destruction. Indiana University Press, 2005.