Wille, A., & Michener, C. D. (1970). Observations on the nests of Costa Rican Halictus with taxonomic notes on Neotropical species (Hymenoptera: Halictidae).
استشهاد بنمط شيكاغوWille, Alvaro, و Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.
MLA استشهادWille, Alvaro, و Carles D. Michener. Observations On the Nests of Costa Rican Halictus With Taxonomic Notes On Neotropical Species (Hymenoptera: Halictidae). 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.