Gaya APA
Ayuwidya, ., Suryaningtyas, H. (2012).
Frenemy: Being Popular, Is Not as DFun as You Think! .
Yogyakarta:
Nobel Edumedia.
Gaya MLA
Ayuwidya, ., Suryaningtyas, Hutami.
"Frenemy: Being Popular, Is Not as DFun as You Think!".
Yogyakarta:
Nobel Edumedia,
2012.
Text / Book.