APA (7th ed.) Zitazioa
International Consultants Foundation, Hoopes, D. S., & Lippitt, G. L. (1978). Helping across cultures. International Consultants Foundation.
Chicago Style (17th ed.) Zitazioa
International Consultants Foundation, David S. Hoopes, eta Gordon L. Lippitt. Helping Across Cultures. Washington: International Consultants Foundation, 1978.
MLA (9th ed.) Zitazioa
International Consultants Foundation, et al. Helping Across Cultures. International Consultants Foundation, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.