Gaya APA

HOPPER, Vincent F.. (2010). Essentials of english . USA: Barrons.

Gaya Chicago

HOPPER, Vincent F.. Essentials of english. USA: Barrons, 2010. Text.

Gaya MLA

HOPPER, Vincent F.. Essentials of english. USA: Barrons, 2010. Text.

Gaya Turabian

HOPPER, Vincent F.. Essentials of english. USA: Barrons, 2010. Print.