Davies, S. (2013). Laughology: Improve your life with the science of laughter. Crown House Publishing Limited.
Chicagoスタイル(17版)引用形式Davies, Stephanie. Laughology: Improve Your Life with the Science of Laughter. Carmarthen, Wales, UK: Crown House Publishing Limited, 2013.
MLA(9版)引用形式Davies, Stephanie. Laughology: Improve Your Life with the Science of Laughter. Crown House Publishing Limited, 2013.
警告: この引用は必ずしも正確ではありません.