Organization for Economic Cooperation and Development. Statistiques du bois: Tendence. s.n.
Citazione stile Chigago Style (17a edizione)Organization for Economic Cooperation and Development. Statistiques Du Bois: Tendence. [Paris: s.n.
Citatione MLA (9a ed.)Organization for Economic Cooperation and Development. Statistiques Du Bois: Tendence. s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.