Lua APA (7ú heag.)

Institute of Applied Manpower Research (India). (1971). Manpower research, 1969.

Lua i Stíl Chicago (17ú heag.)

Institute of Applied Manpower Research (India). Manpower Research, 1969. New Delhi, 1971.

Lua MLA (8ú heag.)

Institute of Applied Manpower Research (India). Manpower Research, 1969. 1971.

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