Master, P. A. (1996). Systems in English grammar: An introduction for language teachers. Prentice Hall Regents.
Chicago Style aipamenaMaster, Peter Antony. Systems in English Grammar: An Introduction for Language Teachers. Englewood Cliffs, NJ: Prentice Hall Regents, 1996.
MLA aipamenaMaster, Peter Antony. Systems in English Grammar: An Introduction for Language Teachers. Prentice Hall Regents, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.