Troyka, L. Q. (1996). Simon & Schuster handbook for writers (4th ed.). Prentice Hall.
Chicago Style (17th ed.) ZitazioaTroyka, Lynn Quitman. Simon & Schuster Handbook for Writers. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 1996.
MLA (9th ed.) ZitazioaTroyka, Lynn Quitman. Simon & Schuster Handbook for Writers. 4th ed. Prentice Hall, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.