O'Connor, A. M. (1978). The geography of tropical african development (Second Edition.). ELSEVIER.
Citazione stile Chigago Style (17a edizione)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
Citatione MLA (8a ed.)O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.