APA استشهاد

Bhushan K & G Katyal. A P J Abdul kalam: Visionary of india. A P H publishing corporation.

استشهاد بنمط شيكاغو

Bhushan K و G Katyal. A P J Abdul Kalam: Visionary of India. Delhi: A P H publishing corporation.

MLA استشهاد

Bhushan K و G Katyal. A P J Abdul Kalam: Visionary of India. A P H publishing corporation.