Hinojosa-Díaz, I. A., & Engel, M. S. (2011). Euglossa williamsi, a new species of orchid bee from the Amazon Basin of Ecuador and Peru, with notes on its taxonomic association and biogeography (Hymenoptera, Apidae). Pensoft Publishers.
Citação norma ChicagoHinojosa-Díaz, Ismael A., and Michael S. Engel. Euglossa Williamsi, a New Species of Orchid Bee From the Amazon Basin of Ecuador and Peru, With Notes On Its Taxonomic Association and Biogeography (Hymenoptera, Apidae). Pensoft Publishers, 2011.
Citação norma MLAHinojosa-Díaz, Ismael A., and Michael S. Engel. Euglossa Williamsi, a New Species of Orchid Bee From the Amazon Basin of Ecuador and Peru, With Notes On Its Taxonomic Association and Biogeography (Hymenoptera, Apidae). Pensoft Publishers, 2011.