Gaya APA

Eos English on Sky. (2007). Hoboken; NJ: .

Gaya Chicago

Eos English on Sky. . Hoboken; NJ: , 2007. Text.

Gaya MLA

Eos English on Sky. . Hoboken; NJ: , 2007. Text.

Gaya Turabian

Eos English on Sky. Hoboken; NJ: , 2007. Print.