APA (7th ed.) Citation

World labour problems in 1931. A record of the 15th International Labour Conference, 1931. N.pl..

Chicago Style (17th ed.) Citation

World Labour Problems in 1931. A Record of the 15th International Labour Conference, 1931. N.pl..

MLA (8th ed.) Citation

World Labour Problems in 1931. A Record of the 15th International Labour Conference, 1931. N.pl..

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