Mūlamadhyamaka-kārikā of Nāgārjuna
mūlamadhyamakakārikā, section 4:9
Mūlamadhyamakavṛtti-akutobhayā of Nāgārjuna, section 4:9
Piṅgala's Commentary on Nāgārjuna's Mūla-madhyamaka-kārikā, section T30, no. 1564, 7a19-
Buddhapālita-mūlamadhyamakavṛtti of Buddhapālita, section 4:9
Prajñāpradīpamūlamadhyamakavṛtti of Bhāvaviveka, section 4:9
Prasannapadā of Candrakīrtī, section 127:15