Lua APA (7ú heag.)

SINGH P N. (2006). TRAINING FOR MANAGEMENT DEVELOPMENT (9TH.). P N SINGH CENTRE FOR HRD.

Lua i Stíl Chicago (17ú heag.)

SINGH P N. TRAINING FOR MANAGEMENT DEVELOPMENT. 9TH. MUMBAI: P N SINGH CENTRE FOR HRD, 2006.

Lua MLA (9ú heag.)

SINGH P N. TRAINING FOR MANAGEMENT DEVELOPMENT. 9TH. P N SINGH CENTRE FOR HRD, 2006.

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