Hasson, G. (2022). 21 Day Mindfulness Challenge. John Murray Learning.
Chicagoスタイル(17版)引用形式Hasson, Gill. 21 Day Mindfulness Challenge. UK: John Murray Learning, 2022.
MLA(9版)引用形式Hasson, Gill. 21 Day Mindfulness Challenge. John Murray Learning, 2022.
警告: この引用は必ずしも正確ではありません.