APA-referens (7:e uppl.)

Bragg, W. H. (1927). Creative knowledge, old trades and new science. Harper & Bros..

Chicago-referens (17:e uppl.)

Bragg, William Henry. Creative Knowledge, Old Trades and New Science. New York London: Harper & Bros., 1927.

MLA-referens (8:e uppl.)

Bragg, William Henry. Creative Knowledge, Old Trades and New Science. Harper & Bros., 1927.