Winch, R. F., & Spanier, G. B. (1974). Selected studies in marriage and family (4a. ed.). Holt, Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Winch, Robert F., agus Graham B. Spanier. Selected Studies in Marriage and Family. 4a. ed. Nueva York: Holt, Rinehart and Winston, 1974.
Lua MLA (9ú heag.)Winch, Robert F., agus Graham B. Spanier. Selected Studies in Marriage and Family. 4a. ed. Holt, Rinehart and Winston, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.