APA-referens (7:e uppl.)

Maxwell, C. R. (1921). The selection of textbooks. Houghton Mifflin company.

Chicago-referens (17:e uppl.)

Maxwell, Charles Robert. The Selection of Textbooks. Boston, New York [etc.]: Houghton Mifflin company, 1921.

MLA-referens (9:e uppl.)

Maxwell, Charles Robert. The Selection of Textbooks. Houghton Mifflin company, 1921.