Sharf, Robert (2014). “Mindfulness and Mindlessness in Early Chan”. Philosophy East and West (Project Muse) 64 (4): 933–964. doi:10.1353/pew.2014.0074. ISSN1529-1898.
Johnson, Todd M.; Grim, Brian J. (2013). Hoboken, NJ: Wiley-Blackwell. pp. 34–37
Johnson, Todd M.; Grim, Brian J. (2013). Hoboken, NJ: Wiley-Blackwell. pp. 36
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Sharf, Robert (2014). “Mindfulness and Mindlessness in Early Chan”. Philosophy East and West (Project Muse) 64 (4): 933–964. doi:10.1353/pew.2014.0074. ISSN1529-1898.