APA Style

Drs. Heru Pramono, SU., Arif Ashari. (2014). Geomorfologi Dasar (September 2014). Yogyakarta: UNY Press.

Chicago Style

Drs. Heru Pramono, SU., Arif Ashari. Geomorfologi Dasar. September 2014 Yogyakarta: UNY Press, 2014. E-Book.

MLA Style

Drs. Heru Pramono, SU., Arif Ashari. Geomorfologi Dasar. September 2014 Yogyakarta: UNY Press, 2014. E-Book.

Turabian Style

Drs. Heru Pramono, SU., Arif Ashari. Geomorfologi Dasar. September 2014 Yogyakarta: UNY Press, 2014. E-Book.