Layard, R., Metcalf, D., & Nickell, S. (1978). The Effect of Collective Bargaining on Relative and Absolute Wages.
Lua i Stíl Chicago (17ú heag.)Layard, R., D. Metcalf, agus S. Nickell. The Effect of Collective Bargaining on Relative and Absolute Wages. 1978.
Lua MLA (9ú heag.)Layard, R., et al. The Effect of Collective Bargaining on Relative and Absolute Wages. 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.