Mehta, P. (1969). The achievement motive in high school boys. National Council of Educational Research and Training.
Lua i Stíl Chicago (17ú heag.)Mehta, Prayag. The Achievement Motive in High School Boys. [New Delhi]: National Council of Educational Research and Training, 1969.
Lua MLA (8ú heag.)Mehta, Prayag. The Achievement Motive in High School Boys. National Council of Educational Research and Training, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.