Hopkins, R. F. (1980). Global food interdependence. Columbia University Press.
Cita Chicago (17th ed.)Hopkins, Raymond F. Global Food Interdependence. New York: Columbia University Press, 1980.
Cita MLA (9th ed.)Hopkins, Raymond F. Global Food Interdependence. Columbia University Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.