APA aipamena

Hewes, L. I. (1974). Rural development: World frontiers. Iowa State University Press.

Chicago Style aipamena

Hewes, Laurence Ilsley. Rural Development: World Frontiers. Ames: Iowa State University Press, 1974.

MLA aipamena

Hewes, Laurence Ilsley. Rural Development: World Frontiers. Iowa State University Press, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.