Petra, M. (2014). Unbreakable Wings. Pustaka Pelajar.
Chicago Style (17th ed.) CitationPetra, Monica. Unbreakable Wings. Pustaka Pelajar, 2014.
MLA (8th ed.) CitationPetra, Monica. Unbreakable Wings. Pustaka Pelajar, 2014.
Warning: These citations may not always be 100% accurate.