एपीए उद्धरण

(2004). GCE O Level examinations: Physics: past papers with answer guides. Foundation books.

शिकागो स्टाइल उद्धरण

GCE O Level Examinations: Physics: Past Papers with Answer Guides. New Delhi: Foundation books, 2004.

एमएलए उद्धरण

GCE O Level Examinations: Physics: Past Papers with Answer Guides. Foundation books, 2004.