Gaya APA
Schoenberg, Irene E.. (2002).
Focus on grammar : an introductory course for reference and practice / Irene E. Schoenberg, Jay Maurer .
New York:
Longman.
Gaya Chicago
Schoenberg, Irene E..
Focus on grammar : an introductory course for reference and practice / Irene E. Schoenberg, Jay Maurer.
New York:
Longman,
2002.
Buku.
Gaya MLA
Schoenberg, Irene E..
Focus on grammar : an introductory course for reference and practice / Irene E. Schoenberg, Jay Maurer.
New York:
Longman,
2002.
Buku.
Gaya Turabian
Schoenberg, Irene E..
Focus on grammar : an introductory course for reference and practice / Irene E. Schoenberg, Jay Maurer.
New York:
Longman,
2002.
Buku.