APA-referens (7:e uppl.)

SoRelle, R. P. (1927). Teacher's manual: Rational typewriting projects. Gregg Publishing Co..

Chicago-referens (17:e uppl.)

SoRelle, Rupert Pitt. Teacher's Manual: Rational Typewriting Projects. New York : Chicago [etc.]: Gregg Publishing Co., 1927.

MLA-referens (8:e uppl.)

SoRelle, Rupert Pitt. Teacher's Manual: Rational Typewriting Projects. Gregg Publishing Co., 1927.