Gaya APA
Widyati, E. et al (2018).
Biologi tanah membedah kerapuhan sistem budidaya monokultur (Cet. 1).
Yogyakarta:
Deepublish.
Gaya MLA
Widyati, Enny. et al.
"Biologi tanah membedah kerapuhan sistem budidaya monokultur".
Cet. 1
Yogyakarta:
Deepublish,
2018.
Text.