APA Style
Tripp, Robert. (1989).
The Planning stage of on farm research : Identifying factors for experimentation .
Colombia:
Cimmyt.
Chicago Style
Tripp, Robert.
The Planning stage of on farm research : Identifying factors for experimentation.
Colombia:
Cimmyt,
1989.
Texts.
MLA Style
Tripp, Robert.
The Planning stage of on farm research : Identifying factors for experimentation.
Colombia:
Cimmyt,
1989.
Texts.
Turabian Style
Tripp, Robert.
The Planning stage of on farm research : Identifying factors for experimentation.
Colombia:
Cimmyt,
1989.
Texts.