APA-viite

Piga, G., & Tátrai, T. (2018). Law and economics of public procurement reforms. Routledge.

Chicago-tyylinen lähdeviittaus

Piga, Gustavo, ja Tünde Tátrai. Law and Economics of Public Procurement Reforms. Oxon: Routledge, 2018.

MLA-viite

Piga, Gustavo, ja Tünde Tátrai. Law and Economics of Public Procurement Reforms. Routledge, 2018.