Bradshaw, M., & Weaver, R. (1995). Foundations of physical geography. Dubaque: Wm. C. Brown.
Чикагска система за цитиранеBradshaw, Michael, и Ruth Weaver. Foundations of Physical Geography. Dubaque: Wm. C. Brown, 1995.
MLA формат за цитиранеBradshaw, Michael, и Ruth Weaver. Foundations of Physical Geography. Dubaque: Wm. C. Brown, 1995.
Внимание: Тези цитати може да не са 100% точни.