Mandryk, J. (2010). Operation World (7ª.). Biblica Publishing.
Cita Chicago (17th ed.)Mandryk, Jason. Operation World. 7ª. Colorado Springs, CO: Biblica Publishing, 2010.
Cita MLA (9th ed.)Mandryk, Jason. Operation World. 7ª. Biblica Publishing, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.