APA (7th ed.) Citation

Byrd, D. R. H., & Mortimer, J. A. (1992). Extensions one: Communicative activities for beginning students of English. Prentice-Hall Regents ; Prentice-Hall.

Chicago Style (17th ed.) Citation

Byrd, Donald R. H., and Jason A. Mortimer. Extensions One: Communicative Activities for Beginning Students of English. Englewood Cliffs, NJ Singapore: Prentice-Hall Regents ; Prentice-Hall, 1992.

MLA (9th ed.) Citation

Byrd, Donald R. H., and Jason A. Mortimer. Extensions One: Communicative Activities for Beginning Students of English. Prentice-Hall Regents ; Prentice-Hall, 1992.