GOSAIN , R. 101 INVENTIONS & DISCOVERIES. GOODWILL PUBLISHING HOUSE.
Citación estilo ChicagoGOSAIN , ROOPA. 101 INVENTIONS & DISCOVERIES. NEW DELHI: GOODWILL PUBLISHING HOUSE.
Cita MLAGOSAIN , ROOPA. 101 INVENTIONS & DISCOVERIES. GOODWILL PUBLISHING HOUSE.
Warning: These citations may not always be 100% accurate.