Stephen Hawking. (2013). Prapancham Churungiya Vakkukalil. Progress Publication.
Chicago Edition CitationStephen Hawking. Prapancham Churungiya Vakkukalil. Calicut: Progress Publication, 2013.
MLA Edition CitationStephen Hawking. Prapancham Churungiya Vakkukalil. Progress Publication, 2013.
Warning: These citations may not always be 100% accurate.