Kollak, I. (2013). Yoga XXL: A journey to health for bigger people. Demos Health.
芝加哥风格引文Kollak, Ingrid. Yoga XXL: A Journey to Health for Bigger People. New York: Demos Health, 2013.
MLA引文Kollak, Ingrid. Yoga XXL: A Journey to Health for Bigger People. Demos Health, 2013.
警告：这些引文格式不一定是100％准确.