APA Style
Schoenberg, Irene E.. (2002).
Focus on Grammar : An Introductory Course for Reference and Practice .
New York:
Longman.
Chicago Style
Schoenberg, Irene E..
Focus on Grammar : An Introductory Course for Reference and Practice.
New York:
Longman,
2002.
Text.
MLA Style
Schoenberg, Irene E..
Focus on Grammar : An Introductory Course for Reference and Practice.
New York:
Longman,
2002.
Text.
Turabian Style
Schoenberg, Irene E..
Focus on Grammar : An Introductory Course for Reference and Practice.
New York:
Longman,
2002.
Print.