Gaya APA
Kurniawan, A., Sadali, M, I. (2015).
Keistimewaan Lingkungan Daerah Istimewa Yogyakarta .
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Kurniawan, Andri., Sadali, M., Isnaini.
"Keistimewaan Lingkungan Daerah Istimewa Yogyakarta".
Yogyakarta:
Gadjah Mada University Press,
2015.
Text.