Cita APA (7th ed.)

Layard, R., Metcalf, D., & Nickell, S. (1978). The Effect of Collective Bargaining on Relative and Absolute Wages.

Cita Chicago (17th ed.)

Layard, R., D. Metcalf, i S. Nickell. The Effect of Collective Bargaining on Relative and Absolute Wages. 1978.

Cita MLA (9th ed.)

Layard, R., et al. The Effect of Collective Bargaining on Relative and Absolute Wages. 1978.