Dobson, H. E. M. (1993). Bee fauna associated with shrubs in two California chaparral communities. Zenodo.
Citazione stile Chigago Style (17a edizione)Dobson, Heidi E M. Bee Fauna Associated with Shrubs in Two California Chaparral Communities. Zenodo, 1993.
Citatione MLA (9a ed.)Dobson, Heidi E M. Bee Fauna Associated with Shrubs in Two California Chaparral Communities. Zenodo, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.