Coe N. Norman. (1997). Grammar Spectrum 3; English rules and practice: Intermediate. With answers (3-rd ed.). New York, Oxford University Press, 1997.
Chicago Style (17th ed.) CitationCoe N. Norman. Grammar Spectrum 3; English Rules and Practice: Intermediate. With Answers. 3-rd ed. New York, Oxford University Press, 1997, 1997.
MLA (9th ed.) CitationCoe N. Norman. Grammar Spectrum 3; English Rules and Practice: Intermediate. With Answers. 3-rd ed. New York, Oxford University Press, 1997, 1997.
Warning: These citations may not always be 100% accurate.