Gaya APA
GISSELQUIST, D. (1997).
EASING BARRIERS TO MOVEMENT OF PLANT VARIETIES FOR AGRICULTURAL DEVELOPMENT .
washington:
THE WORLD BANK.
Gaya MLA
GISSELQUIST, DAVID.
"EASING BARRIERS TO MOVEMENT OF PLANT VARIETIES FOR AGRICULTURAL DEVELOPMENT".
washington:
THE WORLD BANK,
1997.
Text.