PNG, I. (2013). Managerial Economics - 4th Edition. Routledge Taylor & Francis Group.
Čikaški stil citiranja (17. izdanje)PNG, Ivan. Managerial Economics - 4th Edition. London: Routledge Taylor & Francis Group, 2013.
MLA način citiranja (9. izdanje)PNG, Ivan. Managerial Economics - 4th Edition. Routledge Taylor & Francis Group, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.