APA استشهاد

Ghosh, A. (2010). Meeting the challenges of 21st century. ALP books.

استشهاد بنمط شيكاغو

Ghosh, A. Meeting the Challenges of 21st Century. Nwe Delhi: ALP books, 2010.

MLA استشهاد

Ghosh, A. Meeting the Challenges of 21st Century. ALP books, 2010.