Παραπομπή APA

Slaymaker, O. 1., Spencer, T., & Spencer, T. (1998). Physical geography and global environmental change. Harlow: Longman.

Παραπομπή Chicago Style

Slaymaker, Olav 1939-, T. Spencer, and Tom Spencer. Physical Geography and Global Environmental Change. Harlow: Longman, 1998.

Παραπομπή MLA

Slaymaker, Olav 1939-, T. Spencer, and Tom Spencer. Physical Geography and Global Environmental Change. Harlow: Longman, 1998.

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