Hannan, M. A., Alqarni, A. S., Owayss, A. A., & Engel, M. S. (2012). The large carpenter bees of central Saudi Arabia, with notes on the biology of Xylocopa sulcatipes Maa (Hymenoptera, Apidae, Xylocopinae). Pensoft Publishers.
Čikaški stil citiranjaHannan, Mohammed A., Abdulaziz S. Alqarni, Ayman A. Owayss, i Michael S. Engel. The Large Carpenter Bees of Central Saudi Arabia, With Notes On the Biology Of Xylocopa Sulcatipes Maa (Hymenoptera, Apidae, Xylocopinae). Pensoft Publishers, 2012.
MLA način citiranjaHannan, Mohammed A., Abdulaziz S. Alqarni, Ayman A. Owayss, i Michael S. Engel. The Large Carpenter Bees of Central Saudi Arabia, With Notes On the Biology Of Xylocopa Sulcatipes Maa (Hymenoptera, Apidae, Xylocopinae). Pensoft Publishers, 2012.