Dyfyniad APA

HEWINGS, A., & HEWINGS, M. (2005). Grammar and context: An advanced resource book. Routledge.

Dyfyniad Arddull Chicago

HEWINGS, Ann, and Martin HEWINGS. Grammar and Context: An Advanced Resource Book. London: Routledge, 2005.

Dyfyniad MLA

HEWINGS, Ann, and Martin HEWINGS. Grammar and Context: An Advanced Resource Book. Routledge, 2005.

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