Lua APA (7ú heag.)

Singh, R. R. (1970). Labour economics ([1st ed.].). Sri Ram Mehra.

Lua i Stíl Chicago (17ú heag.)

Singh, Raghu Raj. Labour Economics. [1st ed.]. Agra: Sri Ram Mehra, 1970.

Lua MLA (8ú heag.)

Singh, Raghu Raj. Labour Economics. [1st ed.]. Sri Ram Mehra, 1970.

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