Citazione Stile APA (7a Edizione)

Goudal, J. (1939). Agricultural development and indigenous labour in the french colonies of tropical Africa. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Goudal, Jean. Agricultural Development and Indigenous Labour in the French Colonies of Tropical Africa. International Labour Organization, 1939.

Citatione MLA (9a ed.)

Goudal, Jean. Agricultural Development and Indigenous Labour in the French Colonies of Tropical Africa. International Labour Organization, 1939.