Gaya APA

Android Essentials. (2011). Amerika: [s.n.].

Gaya Chicago

Android Essentials. 1. Amerika: [s.n.], 2011. Text.

Gaya MLA

Android Essentials. 1. Amerika: [s.n.], 2011. Text.

Gaya Turabian

Android Essentials. Amerika: [s.n.], 2011. Print.