Skead, D. M. (1970). A preliminary list of the birds of the Wolmaransstad District, Transvaal. Percy FitzPatrick Institute of African Ornithology.
Chicago Style (17th ed.) CitationSkead, David M. A Preliminary List of the Birds of the Wolmaransstad District, Transvaal. [Rondebosch, Cape, South Africa: Percy FitzPatrick Institute of African Ornithology, 1970.
MLA引文Skead, David M. A Preliminary List of the Birds of the Wolmaransstad District, Transvaal. Percy FitzPatrick Institute of African Ornithology, 1970.
警告：这些引文格式不一定是100％准确.