Cita APA (7a ed.)

Piga, G., & Tátrai, T. (2016). Public procurement policy. Routledge.

Cita Chicago Style (17a ed.)

Piga, Gustavo, y Tünde Tátrai. Public Procurement Policy. New York: Routledge, 2016.

Cita MLA (9a ed.)

Piga, Gustavo, y Tünde Tátrai. Public Procurement Policy. Routledge, 2016.