Lua APA (7ú heag.)
Birchall, D. (1975). Job design. Gower.
Lua i Stíl Chicago (17ú heag.)
Birchall, David. Job Design. England: Gower, 1975.
Lua MLA (9ú heag.)
Birchall, David. Job Design. Gower, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.