Copeland, A. P., & White, K. M. (1991). Studying families. Sage Publications.
Chicago Style aipamenaCopeland, Anne P., and Kathleen M. White. Studying Families. Newbury Park, Calif.: Sage Publications, 1991.
MLA aipamenaCopeland, Anne P., and Kathleen M. White. Studying Families. Sage Publications, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.