Geography, D. o. (2019). Introductory Map Reading. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Geography, Department of. Introductory Map Reading. Obafemi Awolowo University, 2019.
MLA način citiranja (9. izdanje)Geography, Department of. Introductory Map Reading. Obafemi Awolowo University, 2019.
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