APA (7th ed.) Zitazioa
Thomas, G. S. (2008). Advice from the presidents: The student's guide to reaching the top in business and politics (1st. ed.). Greenwood Press.
Chicago Style (17th ed.) Zitazioa
Thomas, G. Scott. Advice from the Presidents: The Student's Guide to Reaching the Top in Business and Politics. 1st. ed. Westport, Conn.: Greenwood Press, 2008.
MLA (9th ed.) Zitazioa
Thomas, G. Scott. Advice from the Presidents: The Student's Guide to Reaching the Top in Business and Politics. 1st. ed. Greenwood Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.