RuttnerFriedrich. (1988). Biogeography and taxonomy of honeybee. Springer-verlag.
Citación estilo ChicagoRuttnerFriedrich. Biogeography and Taxonomy of Honeybee. New York: Springer-verlag, 1988.
Cita MLARuttnerFriedrich. Biogeography and Taxonomy of Honeybee. Springer-verlag, 1988.
Warning: These citations may not always be 100% accurate.