Furstenberg, F. F., Brooks - Gunn, J., & Morgan, S. P. (1987). Adolescent mothers in late life. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Furstenberg, Frank F., J. Brooks - Gunn, agus S. Philip Morgan. Adolescent Mothers in Late Life. New York: Cambridge University Press, 1987.
Lua MLA (9ú heag.)Furstenberg, Frank F., et al. Adolescent Mothers in Late Life. Cambridge University Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.