APA
Jeffers J., . (1990). Comparative analysis study of grades and standards for fruits and vegetables in the Caribbean Region and other selected countries. San JoseCR: IICA.
Chicago
Jeffers J.P.W, . 1990. Comparative analysis study of grades and standards for fruits and vegetables in the Caribbean Region and other selected countries. San JoseCR: IICA.
Harvard
Jeffers J., . (1990). Comparative analysis study of grades and standards for fruits and vegetables in the Caribbean Region and other selected countries. San JoseCR: IICA.
MLA
Jeffers J.P.W, . Comparative analysis study of grades and standards for fruits and vegetables in the Caribbean Region and other selected countries. San JoseCR: IICA. 1990.