APA aipamena

GOSAIN , R. 101 INVENTIONS & DISCOVERIES. GOODWILL PUBLISHING HOUSE.

Chicago Style aipamena

GOSAIN , ROOPA. 101 INVENTIONS & DISCOVERIES. NEW DELHI: GOODWILL PUBLISHING HOUSE.

MLA aipamena

GOSAIN , ROOPA. 101 INVENTIONS & DISCOVERIES. GOODWILL PUBLISHING HOUSE.