APA
Sawyer C. N., . (2015). Chemistry for Environment Engg. & Science. : N.Delhi,McGraw Hill.
Chicago
Sawyer Clair N, . 2015. Chemistry for Environment Engg. & Science. : N.Delhi,McGraw Hill.
Harvard
Sawyer C. N., . (2015). Chemistry for Environment Engg. & Science. : N.Delhi,McGraw Hill.
MLA
Sawyer Clair N, . Chemistry for Environment Engg. & Science. : N.Delhi,McGraw Hill. 2015.