Pratāpa Siṅgha, G. (1971). Guramati filāsafī: Sikh saṃsakāra, rahitamarayādā ate rahitanāme (4. aiḍīshana.). Khālasā Bradaraza.
Dyfyniad Arddull ChicagoPratāpa Siṅgha, Gyani. Guramati Filāsafī: Sikh Saṃsakāra, Rahitamarayādā Ate Rahitanāme. 4. aiḍīshana. Ammritasara: Khālasā Bradaraza, 1971.
Dyfyniad MLAPratāpa Siṅgha, Gyani. Guramati Filāsafī: Sikh Saṃsakāra, Rahitamarayādā Ate Rahitanāme. 4. aiḍīshana. Khālasā Bradaraza, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.