APA (7th ed.) Citation

Não informado. (1930). International trade statistics. League of Nations.

Chicago Style (17th ed.) Citation

Não informado. International Trade Statistics. Geneva, Suíça: League of Nations, 1930.

MLA (8th ed.) Citation

Não informado. International Trade Statistics. League of Nations, 1930.

Warning: These citations may not always be 100% accurate.