APA

Khurana (K J S), . (12603). Maths 30 days wonder. : S.Chand & Co.

Chicago

Khurana (K J S), . 12603. Maths 30 days wonder. : S.Chand & Co.

Harvard

Khurana (K J S), . (12603). Maths 30 days wonder. : S.Chand & Co.

MLA

Khurana (K J S), . Maths 30 days wonder. : S.Chand & Co. 12603.