Krombein, K. V. (1969). Life history notes on some egyptian solitary wasps and bees and their associates, Hymenoptera: Aculeata. Smithsonian Institution.
Chicago-Zitierstil (17. Ausg.)Krombein, Karl V. Life History Notes on Some Egyptian Solitary Wasps and Bees and Their Associates, Hymenoptera: Aculeata. Washington, D.C, USA: Smithsonian Institution, 1969.
MLA-Zitierstil (9. Ausg.)Krombein, Karl V. Life History Notes on Some Egyptian Solitary Wasps and Bees and Their Associates, Hymenoptera: Aculeata. Smithsonian Institution, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.