Bell, G. 1. (1976). Strategies for human settlements: Habitat and environment. University Press of Hawaii.
Chicago Style aipamenaBell, Gwen 1934. Strategies for Human Settlements: Habitat and Environment. Honolulu: University Press of Hawaii, 1976.
MLA aipamenaBell, Gwen 1934. Strategies for Human Settlements: Habitat and Environment. University Press of Hawaii, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.