Krombein, K. V., & Pulawski, W. J. (1994). Biosystematic studies of ceylonese wasps, XX: A revision of tachysphex Kohl, 1883, with notes on other oriental species (Hymenoptera ; sphecidae. [S.l.]: Washington : Smithsonian Institution Press.
Chicago Style CitationKrombein, Karl V., and Wojciech J. Pulawski. Biosystematic Studies of Ceylonese Wasps, XX: A Revision of Tachysphex Kohl, 1883, With Notes On Other Oriental Species (Hymenoptera ; Sphecidae. [S.l.]: Washington : Smithsonian Institution Press, 1994.
MLA CitationKrombein, Karl V., and Wojciech J. Pulawski. Biosystematic Studies of Ceylonese Wasps, XX: A Revision of Tachysphex Kohl, 1883, With Notes On Other Oriental Species (Hymenoptera ; Sphecidae. [S.l.]: Washington : Smithsonian Institution Press, 1994.