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Lua i Stíl Chicago (17ú heag.)Pratāpa Siṅgha, Gyani. Guramati Filāsafī: Sikh Saṃsakāra, Rahitamarayādā Ate Rahitanāme. 4. aiḍīshana. Ammritasara: Khālasā Bradaraza, 1971.
Lua MLA (8ú heag.)Pratāpa Siṅgha, Gyani. Guramati Filāsafī: Sikh Saṃsakāra, Rahitamarayādā Ate Rahitanāme. 4. aiḍīshana. Khālasā Bradaraza, 1971.
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