Mandryk, J. (2010). Operation World (7ª.). Biblica Publishing.
Chicago-čujuhus (17. p.)Mandryk, Jason. Operation World. 7ª. Colorado Springs, CO: Biblica Publishing, 2010.
MLA-čujuhus (9. p.)Mandryk, Jason. Operation World. 7ª. Biblica Publishing, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.