Style de citation APA

Singh, J. W. (2009). Happiness: Gain and retain. Viva Books.

Style de citation Chicago

Singh, Just Win. Happiness: Gain and Retain. New Delhi: Viva Books, 2009.

Style de citation MLA

Singh, Just Win. Happiness: Gain and Retain. Viva Books, 2009.

Attention : ces citations peuvent ne pas être correctes à 100%.