O'Connor, A. M. (1978). The geography of tropical african development (Second Edition.). ELSEVIER.
Cita Chicago (17th ed.)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
Cita MLA (8th ed.)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.