Santrock, J. W. (1986). Life - span development (2nd ed.). Wm. C. Brown.
Lua i Stíl Chicago (17ú heag.)Santrock, John W. Life - Span Development. 2nd ed. Iowa: Wm. C. Brown, 1986.
Lua MLA (9ú heag.)Santrock, John W. Life - Span Development. 2nd ed. Wm. C. Brown, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.