APA:
Engel, Michael S. (2008). A new species of Megachile (Eutricharaea) from western Saudi Arabia related to Megachile walkeri (Hymenoptera: Megachilidae).
Acta entomologica slovenica (Ljubljana), letnik 16, številka 2, 16.
URN:NBN:SI:DOC-IPYMKPKF from http://www.dlib.si
MLA:
Engel, Michael S.. "A new species of Megachile (Eutricharaea) from western Saudi Arabia related to Megachile walkeri (Hymenoptera: Megachilidae)."
Acta entomologica slovenica (Ljubljana) letnik 16. številka 2 (2008) 16.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-IPYMKPKF>