AUSUBEL, H. (1950). Historians and their craft: A study of the. Russell & Russell.
Citazione stile Chigago Style (17a edizione)AUSUBEL, Herman. Historians and Their Craft: A Study of the. New York: Russell & Russell, 1950.
Citatione MLA (9a ed.)AUSUBEL, Herman. Historians and Their Craft: A Study of the. Russell & Russell, 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.