Gaya APA
KOOLEN, A.J, KUIPERS, H. (1983).
Agricultural Soil Mechanics .
New York:
Berlin Helderberg.
Gaya Chicago
KOOLEN, A.J, KUIPERS, H.
Agricultural Soil Mechanics.
New York:
Berlin Helderberg,
1983.
Text.
Gaya MLA
KOOLEN, A.J, KUIPERS, H.
Agricultural Soil Mechanics.
New York:
Berlin Helderberg,
1983.
Text.
Gaya Turabian
KOOLEN, A.J, KUIPERS, H.
Agricultural Soil Mechanics.
New York:
Berlin Helderberg,
1983.
Print.