Lua APA (7ú heag.)

Newhall, N. W. (1975). P.H. Emerson: The fight for photography as a fine art. Aperture.

Lua i Stíl Chicago (17ú heag.)

Newhall, Nancy Wynne. P.H. Emerson: The Fight for Photography as a Fine Art. New York: Aperture, 1975.

Lua MLA (9ú heag.)

Newhall, Nancy Wynne. P.H. Emerson: The Fight for Photography as a Fine Art. Aperture, 1975.

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