thakkar, D. (2006). Gujarati Vishvakosh khand-4. Gujarat vishvakosh.
Lua i Stíl Chicago (17ú heag.)thakkar, Dhirubhai. Gujarati Vishvakosh Khand-4. Ahmadabad: Gujarat vishvakosh, 2006.
Lua MLA (9ú heag.)thakkar, Dhirubhai. Gujarati Vishvakosh Khand-4. Gujarat vishvakosh, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.