Cita APA (7th ed.)

Piotrkowski, C. S. (1979). Work and the family system: A naturalistic study of working-class and lower-middle-class families. The Free Press.

Cita Chicago (17th ed.)

Piotrkowski, Chaya S. Work and the Family System: A Naturalistic Study of Working-class and Lower-middle-class Families. The Free Press, 1979.

Cita MLA (9th ed.)

Piotrkowski, Chaya S. Work and the Family System: A Naturalistic Study of Working-class and Lower-middle-class Families. The Free Press, 1979.

Atenció: Aquestes cites poden no estar 100% correctes.