Gaya APA

Sugeng, Bambang, Zaimah, Noor. (2009). Contextual english 1 : for grade X of senior high school . Solo: Tiga Serangkai.

Gaya Chicago

Sugeng, Bambang, Zaimah, Noor. Contextual english 1 : for grade X of senior high school. Solo: Tiga Serangkai, 2009. Text.

Gaya MLA

Sugeng, Bambang, Zaimah, Noor. Contextual english 1 : for grade X of senior high school. Solo: Tiga Serangkai, 2009. Text.

Gaya Turabian

Sugeng, Bambang, Zaimah, Noor. Contextual english 1 : for grade X of senior high school. Solo: Tiga Serangkai, 2009. Print.