APA-viite (7. p.)

Marston, S. A. World Regions in Global Context: Pearson New International Edition : Peoples, Places, and Environments (5.). Pearson Education UK.

Chicago-viite (17. p.)

Marston, Sallie A;Knox. World Regions in Global Context: Pearson New International Edition : Peoples, Places, and Environments. 5. Pearson Education UK.

MLA-viite (8. p.)

Marston, Sallie A;Knox. World Regions in Global Context: Pearson New International Edition : Peoples, Places, and Environments. 5. Pearson Education UK.

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