APA Style

MURPHY, Raymond. (2001). Essential grammar in use:a self-study reference and practice book for elemntery students of english (Cet. 14). Cambridge: Erlangga.

Chicago Style

MURPHY, Raymond. Essential grammar in use:a self-study reference and practice book for elemntery students of english. Cet. 14 Cambridge: Erlangga, 2001. Text.

MLA Style

MURPHY, Raymond. Essential grammar in use:a self-study reference and practice book for elemntery students of english. Cet. 14 Cambridge: Erlangga, 2001. Text.

Turabian Style

MURPHY, Raymond. Essential grammar in use:a self-study reference and practice book for elemntery students of english. Cet. 14 Cambridge: Erlangga, 2001. Print.