Frederick, H. H. (2007). Entrepreneurship: Theory, process, practice (7th ed.). Thomson South-Western.
Čikaški stil citiranja (17. izdanje)Frederick, Howard H. Entrepreneurship: Theory, Process, Practice. 7th ed. Australia: Thomson South-Western, 2007.
MLA način citiranja (9. izdanje)Frederick, Howard H. Entrepreneurship: Theory, Process, Practice. 7th ed. Thomson South-Western, 2007.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.