Christensen, H. T., & Johnsen, K. P. (1971). Marriage and the family (3rd. ed.). Ronald Press.
Chicago Edition CitationChristensen, Harold T., i Kathryn P. Johnsen. Marriage and the Family. 3rd. ed. New York: Ronald Press, 1971.
Cita MLAChristensen, Harold T., i Kathryn P. Johnsen. Marriage and the Family. 3rd. ed. Ronald Press, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.