APA (7th ed.) Zitazioa
Collins, F. C. (1995). Quality: The ball in your court (2nd ed.). Tata McGraw Hill.
Chicago Style (17th ed.) Zitazioa
Collins, Frank C. Quality: The Ball in Your Court. 2nd ed. New Delhi.: Tata McGraw Hill, 1995.
MLA (9th ed.) Zitazioa
Collins, Frank C. Quality: The Ball in Your Court. 2nd ed. Tata McGraw Hill, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.