Παραπομπή APA

Johnston R J & Sidaway J D. (2004). Geography and geographers: Anglo-american human geohraphy since 1945 (6.). Arnold.

Παραπομπή Chicago Style

Johnston R J και Sidaway J D. Geography and Geographers: Anglo-american Human Geohraphy Since 1945. 6. London: Arnold, 2004.

Παραπομπή MLA

Johnston R J και Sidaway J D. Geography and Geographers: Anglo-american Human Geohraphy Since 1945. 6. Arnold, 2004.