Thakkar Dhrubhai. (2006). Gujarati vishvakosh Khand -21. Gujarat vishvakosh Trust.
Cita Chicago (17th ed.)Thakkar Dhrubhai. Gujarati Vishvakosh Khand -21. Ahmadabad: Gujarat vishvakosh Trust, 2006.
Cita MLA (9th ed.)Thakkar Dhrubhai. Gujarati Vishvakosh Khand -21. Gujarat vishvakosh Trust, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.