Singh Roopinder, Guru Nanak:His life and teachings, Rupa.co, Delhi 2004, P-52.
Singh Roopinder, Guru Nanak:His life and teachings, Rupa.co, Delhi 2004, P-52.
Mansukhani Gobind Singh, Guru Nanak: The apostle of love, Hemkund press publishers 1969, P-34.