Gaya APA
Horton, Douglas. (1987).
Potatoes : production, marketing and programs for development countries .
Boulder, CA:
Westview Press.
Gaya Chicago
Horton, Douglas.
Potatoes : production, marketing and programs for development countries.
Boulder, CA:
Westview Press,
1987.
Text.
Gaya MLA
Horton, Douglas.
Potatoes : production, marketing and programs for development countries.
Boulder, CA:
Westview Press,
1987.
Text.
Gaya Turabian
Horton, Douglas.
Potatoes : production, marketing and programs for development countries.
Boulder, CA:
Westview Press,
1987.
Print.