Gaya APA

Suwito, Ragil. (2009). Geography 2 . Hoboken, NJ: Wiley.

Gaya Chicago

Suwito, Ragil. Geography 2. Hoboken, NJ: Wiley, 2009. Text.

Gaya MLA

Suwito, Ragil. Geography 2. Hoboken, NJ: Wiley, 2009. Text.

Gaya Turabian

Suwito, Ragil. Geography 2. Hoboken, NJ: Wiley, 2009. Print.