Eisenson, J., & Boase, P. H. (1975). Basic speech (3d ed.). Macmillan.
Chicago Style aipamenaEisenson, Jon, and Paul H. Boase. Basic Speech. 3d ed. New York: Macmillan, 1975.
MLA aipamenaEisenson, Jon, and Paul H. Boase. Basic Speech. 3d ed. Macmillan, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.