Rogers, A., & Viles, H. A. (2003). The student's companion to geography (Second edition.). Blackwell Publishers.
Cita Chicago Style (17a ed.)Rogers, Alisdair, y Heather A. Viles. The Student's Companion to Geography. Second edition. Malden, MA: Blackwell Publishers, 2003.
Cita MLA (8a ed.)Rogers, Alisdair, y Heather A. Viles. The Student's Companion to Geography. Second edition. Blackwell Publishers, 2003.
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