APA-referens (7:e uppl.)

National Terra Cotta Society. (1927). Terra cotta: Standard construction (Rev. ed.). National terra cotta society.

Chicago-referens (17:e uppl.)

National Terra Cotta Society. Terra Cotta: Standard Construction. Rev. ed. New York, N.Y.: National terra cotta society, 1927.

MLA-referens (8:e uppl.)

National Terra Cotta Society. Terra Cotta: Standard Construction. Rev. ed. National terra cotta society, 1927.