APA

Sabharwal (Gopa) ;Dube (Himanshu), . (2000). Penguin India 2001 Quiz Book. : .

Chicago

Sabharwal (Gopa) ;Dube (Himanshu), . 2000. Penguin India 2001 Quiz Book. : .

Harvard

Sabharwal (Gopa) ;Dube (Himanshu), . (2000). Penguin India 2001 Quiz Book. : .

MLA

Sabharwal (Gopa) ;Dube (Himanshu), . Penguin India 2001 Quiz Book. : . 2000.