Puddicombe, A. (2015). The Headspace Guide to... Mindfulness and Meditation. Hodder & Stoughton Ltd. An Hachette UK Company.
Lua i Stíl Chicago (17ú heag.)Puddicombe, Andy. The Headspace Guide to... Mindfulness and Meditation. London: Hodder & Stoughton Ltd. An Hachette UK Company, 2015.
Lua MLA (9ú heag.)Puddicombe, Andy. The Headspace Guide to... Mindfulness and Meditation. Hodder & Stoughton Ltd. An Hachette UK Company, 2015.
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