Kaplan, I. (1974). Area handbook for Zambia. U.S. Government Printing Office.
Chicago Style aipamenaKaplan, Irving. Area Handbook for Zambia. Washington, D.C: U.S. Government Printing Office, 1974.
MLA aipamenaKaplan, Irving. Area Handbook for Zambia. U.S. Government Printing Office, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.