APA (7th ed.) Citation

Sona. Inventions and discoveries. Apple Publishing International (P) Ltd.

Chicago Style (17th ed.) Citation

Sona. Inventions and Discoveries. Chennai - 6000299(India): Apple Publishing International (P) Ltd.

MLA (9th ed.) Citation

Sona. Inventions and Discoveries. Apple Publishing International (P) Ltd.

Warning: These citations may not always be 100% accurate.