Post, S. G. (2011). The hidden gifts of helping: How the power of giving, compassion, and hope can get us through hard times. Jossey-Bass.
Style de citation Chicago (17e éd.)Post, Stephen Garrard. The Hidden Gifts of Helping: How the Power of Giving, Compassion, and Hope Can Get Us Through Hard Times. San Francisco: Jossey-Bass, 2011.
Style de citation MLA (8e éd.)Post, Stephen Garrard. The Hidden Gifts of Helping: How the Power of Giving, Compassion, and Hope Can Get Us Through Hard Times. Jossey-Bass, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.