Cita APA (7th ed.)

Northrup, H. R., & Rowan, R. L. (1968). Readings in labor economics and labor relations. Irwin.

Cita Chicago (17th ed.)

Northrup, Herbert Roof, i Richard L. Rowan. Readings in Labor Economics and Labor Relations. Homewood, Ill: Irwin, 1968.

Cita MLA (9th ed.)

Northrup, Herbert Roof, i Richard L. Rowan. Readings in Labor Economics and Labor Relations. Irwin, 1968.