Johnstone, P., Mandryk, J., & Johnstone, R. (2001). Operation world. Paternoster Lifestyle.
Chicago Style (17th ed.) CitationJohnstone, Patrick, Jason Mandryk, and Robyn Johnstone. Operation World. Cumbria, UK :: Paternoster Lifestyle, 2001.
MLA citiranjeJohnstone, Patrick, et al. Operation World. Paternoster Lifestyle, 2001.
Opozorilo: Ti citati niso vedno 100% točni.