Doabia, H. S. (1973). The story of the merger of Siri Satguru Nanak Dev Ji Maharaj with the divine eternal light: And also Bara maha (programme for twelve months), composed by the Satguru one day before the event. Harbans Singh Doabia Satwant Kaur Charitable Trust.
Chicago-viite (17. p.)Doabia, H. S. The Story of the Merger of Siri Satguru Nanak Dev Ji Maharaj with the Divine Eternal Light: And Also Bara Maha (programme for Twelve Months), Composed by the Satguru One Day Before the Event. Chandigarh: Harbans Singh Doabia Satwant Kaur Charitable Trust, 1973.
MLA-viite (8. p.)Doabia, H. S. The Story of the Merger of Siri Satguru Nanak Dev Ji Maharaj with the Divine Eternal Light: And Also Bara Maha (programme for Twelve Months), Composed by the Satguru One Day Before the Event. Harbans Singh Doabia Satwant Kaur Charitable Trust, 1973.