Gaya APA
No-Tillage agriculture: principles and practices. (1984).
New York:
Van Nortrand Reinhold Company.
Gaya Chicago
No-Tillage agriculture: principles and practices.
text.
New York:
Van Nortrand Reinhold Company,
1984.
Tesis.
Gaya MLA
No-Tillage agriculture: principles and practices.
text.
New York:
Van Nortrand Reinhold Company,
1984.
Tesis.
Gaya Turabian
No-Tillage agriculture: principles and practices.
New York:
Van Nortrand Reinhold Company,
1984.
Tesis.