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Shugchang, Padma (editor); Sherab, Khenchen Palden & Dongyal, Khenpo Tse Wang (2000). A Modern Commentary on Karma Lingpa's Zhi-Khro: teachings on the peaceful and wrathful deities. Padma Gochen Ling. Source: [2]Archived 2008-02-29 at the Wayback Machine (accessed: December 27, 2007)
Shugchang, Padma (editor); Sherab, Khenchen Palden & Dongyal, Khenpo Tse Wang (2000). A Modern Commentary on Karma Lingpa's Zhi-Khro: teachings on the peaceful and wrathful deities. Padma Gochen Ling. Source: [2]Archived 2008-02-29 at the Wayback Machine (accessed: December 27, 2007)