Gaya APA
HORTON, Douglas. (1987).
Potatoes : production, marketing, and programs for developing countries .
Boulder, Colorado, USA:
Westview Press.
Gaya Chicago
HORTON, Douglas.
Potatoes : production, marketing, and programs for developing countries.
Boulder, Colorado, USA:
Westview Press,
1987.
.
Gaya MLA
HORTON, Douglas.
Potatoes : production, marketing, and programs for developing countries.
Boulder, Colorado, USA:
Westview Press,
1987.
.
Gaya Turabian
HORTON, Douglas.
Potatoes : production, marketing, and programs for developing countries.
Boulder, Colorado, USA:
Westview Press,
1987.
.