William D. Crump (2014). Encyclopedia of New Year's Holidays Worldwide. McFarland. ص. 113114. ISBN:978-0-7864-9545-0. مؤرشف من الأصل في 2022-11-23., Quote: "Nabo Barsho ("New Year"). Hindu New Year festival in West Bengal State, observed on the first day of the month of Vaisakha or Baisakh (corresponds to mid-April). New Year's Day is known as Pahela Baisakh (First of Baisakh)."
Kapila D. Silva؛ Amita Sinha (2016). Cultural Landscapes of South Asia: Studies in Heritage Conservation and Management. Taylor & Francis. ص. 161–168. ISBN:978-1-317-36592-1. مؤرشف من الأصل في 2017-04-03., Quote: "Poyla Boishakh is celebrated on the first day of Boishakh, the first month of the Bengali calendar. It falls on 14 April in the Gregorian calendar, and it coincides with similar Vedic calendar-based New Year celebrations (...)"
William D. Crump (2014). Encyclopedia of New Year's Holidays Worldwide. McFarland. ص. 113114. ISBN:978-0-7864-9545-0. مؤرشف من الأصل في 2022-11-23., Quote: "Nabo Barsho ("New Year"). Hindu New Year festival in West Bengal State, observed on the first day of the month of Vaisakha or Baisakh (corresponds to mid-April). New Year's Day is known as Pahela Baisakh (First of Baisakh)."
Kapila D. Silva؛ Amita Sinha (2016). Cultural Landscapes of South Asia: Studies in Heritage Conservation and Management. Taylor & Francis. ص. 161–168. ISBN:978-1-317-36592-1. مؤرشف من الأصل في 2017-04-03., Quote: "Poyla Boishakh is celebrated on the first day of Boishakh, the first month of the Bengali calendar. It falls on 14 April in the Gregorian calendar, and it coincides with similar Vedic calendar-based New Year celebrations (...)"