Lua APA (7ú heag.)
Byrne, H. (1952). Without assignment: How to free lance in photography. Pellegrini & Cudahy.
Lua i Stíl Chicago (17ú heag.)
Byrne, Howard. Without Assignment: How to Free Lance in Photography. New York: Pellegrini & Cudahy, 1952.
Lua MLA (9ú heag.)
Byrne, Howard. Without Assignment: How to Free Lance in Photography. Pellegrini & Cudahy, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.