Forder, J. (2019). Two lectures by Friedman: One famous, one good. Fabrizio Serra editore.
Čikaški stil citiranja (17. izdanje)Forder, J. Two Lectures by Friedman: One Famous, One Good. Fabrizio Serra editore, 2019.
MLA način citiranja (9. izdanje)Forder, J. Two Lectures by Friedman: One Famous, One Good. Fabrizio Serra editore, 2019.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.