Timberlake, P. H. (1956). A revisional study of the bees of the genus Perdita F. Smith, with special reference to the fauna of the pacific coast: (Hymenoptera, Apoidea). Univ. of California Press.
Chicago-Zitierstil (17. Ausg.)Timberlake, Philip H. A Revisional Study of the Bees of the Genus Perdita F. Smith, with Special Reference to the Fauna of the Pacific Coast: (Hymenoptera, Apoidea). Berkeley [u.a.]: Univ. of California Press, 1956.
MLA-Zitierstil (9. Ausg.)Timberlake, Philip H. A Revisional Study of the Bees of the Genus Perdita F. Smith, with Special Reference to the Fauna of the Pacific Coast: (Hymenoptera, Apoidea). Univ. of California Press, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.