APA
Oxtoby D. W., Campion A. & Gillis H. P.modern chemistry. New Delhi: .
Chicago
Oxtoby David W, Campion Alan and Gillis H P.modern chemistry. New Delhi: .
Harvard
Oxtoby D. W., Campion A. and Gillis H. P.modern chemistry. New Delhi: .
MLA
Oxtoby David W, Campion Alan and Gillis H P.New Delhi: . .