Gaya APA

Swan, Michael. (1995). Practical english usage : Michael swan (Ed.2). Oxford: Oxford University press.

Gaya Chicago

Swan, Michael. Practical english usage : Michael swan. Ed.2 Oxford: Oxford University press, 1995. Textbook.

Gaya MLA

Swan, Michael. Practical english usage : Michael swan. Ed.2 Oxford: Oxford University press, 1995. Textbook.

Gaya Turabian

Swan, Michael. Practical english usage : Michael swan. Ed.2 Oxford: Oxford University press, 1995. Textbook.