Citazione Stile APA (7a Edizione)

Gray, R. A. (1938). Bibliography of Research Studies in Education, 1936-1937. Bulletin, 1938, No. 5.

Citazione stile Chigago Style (17a edizione)

Gray, Ruth A. Bibliography of Research Studies in Education, 1936-1937. Bulletin, 1938, No. 5. 1938.

Citatione MLA (9a ed.)

Gray, Ruth A. Bibliography of Research Studies in Education, 1936-1937. Bulletin, 1938, No. 5. 1938.