Gaya APA

SCHOENBERG, Irene E., MAURER, Jay. (2002). Focus on Grammar; Introductory Course for Reference and Practice . New York: Adisson Wesley Longman.

Gaya Chicago

SCHOENBERG, Irene E., MAURER, Jay. Focus on Grammar; Introductory Course for Reference and Practice. New York: Adisson Wesley Longman, 2002. Text.

Gaya MLA

SCHOENBERG, Irene E., MAURER, Jay. Focus on Grammar; Introductory Course for Reference and Practice. New York: Adisson Wesley Longman, 2002. Text.

Gaya Turabian

SCHOENBERG, Irene E., MAURER, Jay. Focus on Grammar; Introductory Course for Reference and Practice. New York: Adisson Wesley Longman, 2002. Print.