APA (7th ed.) Zitazioa

Ford, D. H., & Lerner, R. M. (1992). Developmental systems theory: An integrative approach. Sage.

Chicago Style (17th ed.) Zitazioa

Ford, Donald H., eta Richard M. Lerner. Developmental Systems Theory: An Integrative Approach. London: Sage, 1992.

MLA (9th ed.) Zitazioa

Ford, Donald H., eta Richard M. Lerner. Developmental Systems Theory: An Integrative Approach. Sage, 1992.