Fanshel, D. (1966). Foster parenthood; a role analysis. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Fanshel, David. Foster Parenthood; a Role Analysis. Minneapolis: University of Minnesota Press, 1966.
Lua MLA (9ú heag.)Fanshel, David. Foster Parenthood; a Role Analysis. University of Minnesota Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.