Morup, S. (1990). The date of the Buddha's Mahāparinirvāna. Northern Book Centre.
芝加哥风格引文Morup, Sonam. The Date of the Buddha's Mahāparinirvāna. New Delhi: Northern Book Centre, 1990.
MLA引文Morup, Sonam. The Date of the Buddha's Mahāparinirvāna. Northern Book Centre, 1990.
警告：这些引文格式不一定是100％准确.