Lua APA (7ú heag.)

Spencer, H. (1970). Pioneers of modern typography. Hastings House.

Lua i Stíl Chicago (17ú heag.)

Spencer, Herbert. Pioneers of Modern Typography. New York: Hastings House, 1970.

Lua MLA (9ú heag.)

Spencer, Herbert. Pioneers of Modern Typography. Hastings House, 1970.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.