Bergman, D., & Epstein, D. M. (1992). The Heath guide to literature (3rd ed.). D.C. Heath.
Chicago Style aipamenaBergman, David, and Daniel Mark Epstein. The Heath Guide to Literature. 3rd ed. Lexington, Mass: D.C. Heath, 1992.
MLA aipamenaBergman, David, and Daniel Mark Epstein. The Heath Guide to Literature. 3rd ed. D.C. Heath, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.