APA citiranje

Johnstone, P., Mandryk, J., & Johnstone, R. (2001). Operation world. Paternoster Lifestyle.

Chicago Style (17th ed.) Citation

Johnstone, Patrick, Jason Mandryk, and Robyn Johnstone. Operation World. Cumbria, UK :: Paternoster Lifestyle, 2001.

MLA citiranje

Johnstone, Patrick, et al. Operation World. Paternoster Lifestyle, 2001.