Piotrkowski, C. S. (1979). Work in the family system: A naturalistic study of working-class and lower-middle class families. Macmillan.
Citazione stile Chigago Style (17a edizione)Piotrkowski, Chaya S. Work in the Family System: A Naturalistic Study of Working-class and Lower-middle Class Families. New York: Macmillan, 1979.
Citatione MLA (9a ed.)Piotrkowski, Chaya S. Work in the Family System: A Naturalistic Study of Working-class and Lower-middle Class Families. Macmillan, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.