APA-viite

Barke, M., & O Hare, k. (1985). The Third World: Conceptual frameworks in Geography.

Chicago-tyylinen lähdeviittaus

Barke, Michael, ja kGreg O Hare. The Third World: Conceptual Frameworks in Geography. Edinburgh, Oliver&Boyd, 1985.

MLA-viite

Barke, Michael, ja kGreg O Hare. The Third World: Conceptual Frameworks in Geography. 1985.