Melo, G. A. R. (1999). Phylogenetic relationships and classification of the major lineages of Apoidea (Hymenoptera), with emphasis on the crabronid wasps. Natural History Museum.
Chicago-Zitierstil (17. Ausg.)Melo, Gabriel A. R. Phylogenetic Relationships and Classification of the Major Lineages of Apoidea (Hymenoptera), with Emphasis on the Crabronid Wasps. Lawrence, Kan: Natural History Museum, 1999.
MLA-Zitierstil (9. Ausg.)Melo, Gabriel A. R. Phylogenetic Relationships and Classification of the Major Lineages of Apoidea (Hymenoptera), with Emphasis on the Crabronid Wasps. Natural History Museum, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.