APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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