Gaya APA

Hall, Martha, Azar, Betty S. (2010). Understanding and Using English Grammar (Fourth Edition). USA: s.n.

Gaya Chicago

Hall, Martha, Azar, Betty S. Understanding and Using English Grammar. Fourth Edition USA: s.n, 2010. Text.

Gaya MLA

Hall, Martha, Azar, Betty S. Understanding and Using English Grammar. Fourth Edition USA: s.n, 2010. Text.

Gaya Turabian

Hall, Martha, Azar, Betty S. Understanding and Using English Grammar. Fourth Edition USA: s.n, 2010. Print.