APA-referens (7:e uppl.)

Hartzog, H. S., & Ernst, D. (1936). Webster language: A combined workbook & textbook. Webster Publishing Company.

Chicago-referens (17:e uppl.)

Hartzog, Henry S., och Dora Ernst. Webster Language: A Combined Workbook & Textbook. Saint Louis: Webster Publishing Company, 1936.

MLA-referens (8:e uppl.)

Hartzog, Henry S., och Dora Ernst. Webster Language: A Combined Workbook & Textbook. Webster Publishing Company, 1936.