APA-referens (7:e uppl.)

Straka, G. M. (1967). The medieval world and its transformations, 800-1650. McGraw-Hill.

Chicago-referens (17:e uppl.)

Straka, Gerald M. The Medieval World and Its Transformations, 800-1650. [New York: McGraw-Hill, 1967.

MLA-referens (9:e uppl.)

Straka, Gerald M. The Medieval World and Its Transformations, 800-1650. McGraw-Hill, 1967.