App, U. (1993). Concordance to the Vajrasamadhi sutra. International Research Institute for Zen Buddhism.
Cita Chicago Style (17a ed.)App, Urs. Concordance to the Vajrasamadhi Sutra. Kyoto: International Research Institute for Zen Buddhism, 1993.
Cita MLA (9a ed.)App, Urs. Concordance to the Vajrasamadhi Sutra. International Research Institute for Zen Buddhism, 1993.
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