Cita APA (7th ed.)
International Consultants Foundation, Hoopes, D. S., & Lippitt, G. L. (1978). Helping across cultures. International Consultants Foundation.
Cita Chicago (17th ed.)
International Consultants Foundation, David S. Hoopes, i Gordon L. Lippitt. Helping Across Cultures. Washington: International Consultants Foundation, 1978.
Cita MLA (9th ed.)
International Consultants Foundation, et al. Helping Across Cultures. International Consultants Foundation, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.