Tohutoro APA (7th ed.)

Van den Berghe, P. L. (1979). Human family systems: An evolutionary view. Elsevier.

Tohutoru Kātū Chicago (17th ed.)

Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. Nueva York: Elsevier, 1979.

Tohutoro MLA (9th ed.)

Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. Elsevier, 1979.