APA (7th ed.) Zitazioa

WHITBY, M. (1978). Rural resource development: An economic approach. Methuen.

Chicago Style (17th ed.) Zitazioa

WHITBY, M.C. Rural Resource Development: An Economic Approach. London: Methuen, 1978.

MLA (9th ed.) Zitazioa

WHITBY, M.C. Rural Resource Development: An Economic Approach. Methuen, 1978.