Cita APA (7th ed.)

Ashenfelter, O., & Layard, R. (1986). Handbook of labor economics (1a. ed.). Elsevier Science.

Cita Chicago (17th ed.)

Ashenfelter, Orley, i Richard Layard. Handbook of Labor Economics. 1a. ed. Amsterdam: Elsevier Science, 1986.

Cita MLA (9th ed.)

Ashenfelter, Orley, i Richard Layard. Handbook of Labor Economics. 1a. ed. Elsevier Science, 1986.