Παραπομπή APA

Sims, M., Youell, T., & Womersley, R. (2016). Understanding Spectrum Liberalisation. CRC Press.

Παραπομπή Chicago Style

Sims, Martin, Toby Youell, και Richard Womersley. Understanding Spectrum Liberalisation. N.Y: CRC Press, 2016.

Παραπομπή MLA

Sims, Martin, et al. Understanding Spectrum Liberalisation. CRC Press, 2016.