Gaya APA

Swan, Michael. (). Practical English Usage (ed. 3). : .

Gaya Chicago

Swan, Michael. Practical English Usage. ed. 3 : , . Buku English.

Gaya MLA

Swan, Michael. Practical English Usage. ed. 3 : , . Buku English.

Gaya Turabian

Swan, Michael. Practical English Usage. ed. 3 : , . Buku English.