APA
League of Nations, League of Nations, . (1938). Survey of national nutrition policies, 1937/38. : .
Chicago
League of Nations, League of Nations, . 1938. Survey of national nutrition policies, 1937/38. : .
Harvard
League of Nations, League of Nations, . (1938). Survey of national nutrition policies, 1937/38. : .
MLA
League of Nations, League of Nations, . Survey of national nutrition policies, 1937/38. : . 1938.
