Gaya APA
Smith, J. Russell. (1978).
Tree crops: a permanent agriculture .
New York:
Harper Colophon Books.
Gaya Chicago
Smith, J. Russell.
Tree crops: a permanent agriculture.
New York:
Harper Colophon Books,
1978.
Text.
Gaya MLA
Smith, J. Russell.
Tree crops: a permanent agriculture.
New York:
Harper Colophon Books,
1978.
Text.
Gaya Turabian
Smith, J. Russell.
Tree crops: a permanent agriculture.
New York:
Harper Colophon Books,
1978.
Print.