Gaya APA

Amos,Eduardo. (2003). Winner Students Book 1 (ed.1). USA: Longman.

Gaya Chicago

Amos,Eduardo. Winner Students Book 1. ed.1 USA: Longman, 2003. .

Gaya MLA

Amos,Eduardo. Winner Students Book 1. ed.1 USA: Longman, 2003. .

Gaya Turabian

Amos,Eduardo. Winner Students Book 1. ed.1 USA: Longman, 2003. .