APA način citiranja (7. izdanje)

Heyel, C. (1958). Appraising executive performance. American Management Association.

Čikaški stil citiranja (17. izdanje)

Heyel, Carl. Appraising Executive Performance. New York: American Management Association, 1958.

MLA način citiranja (9. izdanje)

Heyel, Carl. Appraising Executive Performance. American Management Association, 1958.