Nīlāmvara Jhā & Jhā, A. (1978). Cāpīyatrikoṇagaṇitam (3. saṃskaraṇa.). Caukhambhā Saṃskrta Saṃsthāna.
Dyfyniad Arddull ChicagoNīlāmvara Jhā and Acyutānanda Jhā. Cāpīyatrikoṇagaṇitam. 3. saṃskaraṇa. Vārāṇasī: Caukhambhā Saṃskrta Saṃsthāna, 1978.
Dyfyniad MLANīlāmvara Jhā and Acyutānanda Jhā. Cāpīyatrikoṇagaṇitam. 3. saṃskaraṇa. Caukhambhā Saṃskrta Saṃsthāna, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.