Cita APA (7a ed.)

Grip, A. d., Hoevenberg, J., & Willems, E. (1997). Atypical employment in the European union. International Labour Organization.

Cita Chicago Style (17a ed.)

Grip, A. de, Jeroen Hoevenberg, y Ed Willems. Atypical Employment in the European Union. International Labour Organization, 1997.

Cita MLA (9a ed.)

Grip, A. de, et al. Atypical Employment in the European Union. International Labour Organization, 1997.