Gaya APA

2th KY-RI. (2007). JAKARTA: .

Gaya Chicago

2th KY-RI. . JAKARTA: , 2007. Textbook.

Gaya MLA

2th KY-RI. . JAKARTA: , 2007. Textbook.

Gaya Turabian

2th KY-RI. JAKARTA: , 2007. Textbook.