Penggayaan APA
DESIGN and operation of farm irrigation systems. (2007).
USA:
ASABE.
Chicago Style
DESIGN and operation of farm irrigation systems.
ed.2.
USA:
ASABE,
2007.
Buku.
MLA Style
DESIGN and operation of farm irrigation systems.
ed.2.
USA:
ASABE,
2007.
Buku.
Turabian Style
DESIGN and operation of farm irrigation systems.
USA:
ASABE,
2007.
Buku.