APA (7th ed.) Zitazioa
Grossmann, R. (1990). The Fourth Way: A Theory of Knowledge. Indiana University Press.
Chicago Style (17th ed.) Zitazioa
Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Bloomington: Indiana University Press, 1990.
MLA (9th ed.) Zitazioa
Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Indiana University Press, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.