APA-referens (7:e uppl.)

Snedden, D. S. (1910). The problem of vocational education. Houghton Mifflin company.

Chicago-referens (17:e uppl.)

Snedden, David Samuel. The Problem of Vocational Education. Boston, New York [etc.]: Houghton Mifflin company, 1910.

MLA-referens (9:e uppl.)

Snedden, David Samuel. The Problem of Vocational Education. Houghton Mifflin company, 1910.