APA (7th ed.) Zitazioa

Feldman, R. S. (1997). Development across the life span. Prentice hall.

Chicago Style (17th ed.) Zitazioa

Feldman, Robert S. Development Across the Life Span. New Jersey: Prentice hall, 1997.

MLA (9th ed.) Zitazioa

Feldman, Robert S. Development Across the Life Span. Prentice hall, 1997.