Davies, S. (2013). Laughology: Improve your life with the science of laughter. Crown House Publishing Limited.
Style de citation Chicago (17e éd.)Davies, Stephanie. Laughology: Improve Your Life with the Science of Laughter. Carmarthen, Wales, UK: Crown House Publishing Limited, 2013.
Style de citation MLA (9e éd.)Davies, Stephanie. Laughology: Improve Your Life with the Science of Laughter. Crown House Publishing Limited, 2013.
Attention : ces citations peuvent ne pas être correctes à 100%.