Cita APA (7a ed.)

Lehdonvirta, V., Barnard, H., Graham, M., & Hjorth, I. (2014). Online labour markets - levelling the playing field for international service markets? Oxford Internet Institute.

Cita Chicago Style (17a ed.)

Lehdonvirta, V., H. Barnard, M. Graham, y I. Hjorth. Online Labour Markets - Levelling the Playing Field for International Service Markets? Oxford Internet Institute, 2014.

Cita MLA (9a ed.)

Lehdonvirta, V., et al. Online Labour Markets - Levelling the Playing Field for International Service Markets? Oxford Internet Institute, 2014.