Citazione Stile APA (7a Edizione)

(1920). Educational Directory, 1919-20. Bulletin, 1919, No. 71. Part 1: Government Educational Activities.

Citazione stile Chigago Style (17a edizione)

Educational Directory, 1919-20. Bulletin, 1919, No. 71. Part 1: Government Educational Activities. 1920.

Citatione MLA (9a ed.)

Educational Directory, 1919-20. Bulletin, 1919, No. 71. Part 1: Government Educational Activities. 1920.