Cita APA (7a ed.)

Ranck, S. (2007). Social Science: Grade .. (Papua New Guinea.). Oxford.

Cita Chicago Style (17a ed.)

Ranck, Stephen. Social Science: Grade .. Papua New Guinea. Melbourne: Oxford, 2007.

Cita MLA (9a ed.)

Ranck, Stephen. Social Science: Grade .. Papua New Guinea. Oxford, 2007.