Loewe, R. E. (1968). Student key to the practical writer. New York: Harcourt, Brace & World.
Chicago Style aipamenaLoewe, Ralph E. Student Key to the Practical Writer. New York: Harcourt, Brace & World, 1968.
MLA aipamenaLoewe, Ralph E. Student Key to the Practical Writer. New York: Harcourt, Brace & World, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.