O'Connor, A. M. (1978). The geography of tropical african development (Second Edition.). ELSEVIER.
Čikaški stil citiranja (17. izdanje)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
MLA način citiranja (8. izdanje)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
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