Lua APA (7ú heag.)
Newman, B. M., & Newman, P. R. (2012). Life-span development: A psychosocial approach (11th ed.). Wadsworth Cengage Learning.
Lua i Stíl Chicago (17ú heag.)
Newman, Barbara M., agus Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th ed. Singapore: Wadsworth Cengage Learning, 2012.
Lua MLA (9ú heag.)
Newman, Barbara M., agus Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th ed. Wadsworth Cengage Learning, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.