Gaya APA
sutarya, R., grubben, G. (2019).
Pedoman bertanam sayuran dataran rendah (cet1).
Yogyakarta:
Gadjah Mada University.
Gaya MLA
sutarya, Rakhmat., grubben, Gerand.
"Pedoman bertanam sayuran dataran rendah".
cet1
Yogyakarta:
Gadjah Mada University,
2019.
Text.