Nichols Bill. (2001). Introduction to Documentary. Indivour University Press.
Chicago Style (17th ed.) ZitazioaNichols Bill. Introduction to Documentary. North Morton: Indivour University Press, 2001.
MLA (9th ed.) ZitazioaNichols Bill. Introduction to Documentary. Indivour University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.