O'Connor, A. M. (1978). The geography of tropical african development (Second Edition.). ELSEVIER.
芝加哥风格引文O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
MLA引文O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.
警告：这些引文格式不一定是100％准确.