Gaya APA
Sutikno, .
(2019).
Geomorfologi Dasar
(
Cet.1)
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Sutikno, .
"Geomorfologi Dasar".
Cet.1
Yogyakarta:
Gadjah Mada University Press,
2019.
Teks.