Gaya APA
Shiddieq, D. et al (2018).
Aspek Dasar Agronomi Berkelanjutan (Cet.2).
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Shiddieq, Dja'far. et al.
"Aspek Dasar Agronomi Berkelanjutan".
Cet.2
Yogyakarta:
Gadjah Mada University Press,
2018.
Textbook.