Daly, H. V. (1988). Bees of the new genus Ctenoceratina in Africa, South of the Sahara (Hymenoptera: Apoidea). University of California.
Chicagoスタイル(17版)引用形式Daly, Howell V. Bees of the New Genus Ctenoceratina in Africa, South of the Sahara (Hymenoptera: Apoidea). Berkeley: University of California, 1988.
MLA(9版)引用形式Daly, Howell V. Bees of the New Genus Ctenoceratina in Africa, South of the Sahara (Hymenoptera: Apoidea). University of California, 1988.
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