Cita APA (7a ed.)

London Academy of Science and Business, issuing body, & Institute for International Cooperation Development (Poznań, Poland), issuing body. (2018). Virtual economics. London Academy of Science and Business.

Cita Chicago Style (17a ed.)

London Academy of Science and Business, issuing body, y Poland) Institute for International Cooperation Development (Poznań. Virtual Economics. London, England: London Academy of Science and Business, 2018.

Cita MLA (9a ed.)

London Academy of Science and Business, issuing body, y Poland) Institute for International Cooperation Development (Poznań. Virtual Economics. London Academy of Science and Business, 2018.