APA-referens (7:e uppl.)

Harris, N. D. (1926). Europe and the East. Houghton Mifflin company.

Chicago-referens (17:e uppl.)

Harris, Norman Dwight. Europe and the East. Boston, New York [etc.]: Houghton Mifflin company, 1926.

MLA-referens (8:e uppl.)

Harris, Norman Dwight. Europe and the East. Houghton Mifflin company, 1926.