एपीए उद्धरण

B.M.Sharma & A.S.Sharma. Encyclopaedia of education in 21st century: Physics education. Commonwealth.

शिकागो स्टाइल उद्धरण

B.M.Sharma और A.S.Sharma. Encyclopaedia of Education in 21st Century: Physics Education. New Delhi: Commonwealth.

एमएलए उद्धरण

B.M.Sharma और A.S.Sharma. Encyclopaedia of Education in 21st Century: Physics Education. Commonwealth.