Citazione Stile APA (7a Edizione)
NTPC. (2011). Electrical engineering executive trainees recruitment exam study guide. G.K.Publications.
Citazione stile Chigago Style (17a edizione)
NTPC. Electrical Engineering Executive Trainees Recruitment Exam Study Guide. Noida: G.K.Publications, 2011.
Citatione MLA (9a ed.)
NTPC. Electrical Engineering Executive Trainees Recruitment Exam Study Guide. G.K.Publications, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.