Singh P N. (2004). Self Development for Sure Success. Bishwanath Singh Trust.
Style de citation Chicago (17e éd.)Singh P N. Self Development for Sure Success. Mumbai: Bishwanath Singh Trust, 2004.
Style de citation MLA (9e éd.)Singh P N. Self Development for Sure Success. Bishwanath Singh Trust, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.