Gaya APA

Wardjono, Stefanus G. (2015). 4G for life . : .

Gaya Chicago

Wardjono, Stefanus G. 4G for life. : , 2015. Text.

Gaya MLA

Wardjono, Stefanus G. 4G for life. : , 2015. Text.

Gaya Turabian

Wardjono, Stefanus G. 4G for life. : , 2015. Print.