SAWHNEY, P. (2016). MATHS MANTRA - BOOK 4. SULTAN CHAND.
Lua i Stíl Chicago (17ú heag.)SAWHNEY, PREETIKA. MATHS MANTRA - BOOK 4. NEW DELHI: SULTAN CHAND, 2016.
Lua MLA (9ú heag.)SAWHNEY, PREETIKA. MATHS MANTRA - BOOK 4. SULTAN CHAND, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.