Bradshaw, M. J., & Weaver, R. (1995). Foundations of physical geography. Wm. C. Brown.
Citazione stile Chigago Style (17a edizione)Bradshaw, Michael J., e Ruth Weaver. Foundations of Physical Geography. Dubuque, IA: Wm. C. Brown, 1995.
Citatione MLA (9a ed.)Bradshaw, Michael J., e Ruth Weaver. Foundations of Physical Geography. Wm. C. Brown, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.