APA (7th ed.) Zitazioa

Alert C. Fries. (1974). Applied secretarial procedures. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Alert C. Fries. Applied Secretarial Procedures. New York: McGraw-Hill, 1974.

MLA (9th ed.) Zitazioa

Alert C. Fries. Applied Secretarial Procedures. McGraw-Hill, 1974.