Van den Berghe, P. L. (1979). Human family systems: An evolutionary view. Elsevier.
Chicago-čujuhus (17. p.)Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. Nueva York: Elsevier, 1979.
MLA-čujuhus (9. p.)Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. Elsevier, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.