Dressler, R. L. (1982). New species of Euglossa IV. The cordata and purpurea species groups (Hymenoptera: Apidae). Universidad de Costa Rica.
Chicago Style CitationDressler, Robert L. New Species of Euglossa IV. The Cordata and Purpurea Species Groups (Hymenoptera: Apidae). Universidad de Costa Rica, 1982.
MLA CitationDressler, Robert L. New Species of Euglossa IV. The Cordata and Purpurea Species Groups (Hymenoptera: Apidae). Universidad de Costa Rica, 1982.
Warning: These citations may not always be 100% accurate.