Template:Williams et al., 2020
- Williams, P.H., Altanchimeg, D., Byvaltsev, A., De Jonghe, R., Jaffar, S., Japoshvili, G., Kahono, S., Huan, L., Mei, M., Monfared, A.R., Nidup, T., Raina, R., Ren, X.R., Thanoosing, C., Zhao, Y. & Orr, M.C. 2020. Widespread polytypic species or complexes of local species? Revising bumblebees of the subgenus Melanobombus world-wide (Hymenoptera, Apidae, Bombus). European Journal of Taxonomy 719 (1): 1–120. DOI: 10.5852/ejt.2020.719.1107 PDF
- Date of publication: 2 October 2020