BLOOM, M. (1985). Life span development: Bases for preventive and interventive helping.-- ed.2. Macmillan.
Lua i Stíl Chicago (17ú heag.)BLOOM, Martin. Life Span Development: Bases for Preventive and Interventive Helping.-- Ed.2. New York: Macmillan, 1985.
Lua MLA (9ú heag.)BLOOM, Martin. Life Span Development: Bases for Preventive and Interventive Helping.-- Ed.2. Macmillan, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.