APA
Chatwal G. R. &. A. S. K., . (1989). Instrumental methods of chemical analysis .-5th Rev & enl. Himalaya Publishing House, Mumbai: .
Chicago
Chatwal Gurdeep R & Anand Sham K, . 1989. Instrumental methods of chemical analysis .-5th Rev & enl. Himalaya Publishing House, Mumbai: .
Harvard
Chatwal G. R. &. A. S. K., . (1989). Instrumental methods of chemical analysis .-5th Rev & enl. Himalaya Publishing House, Mumbai: .
MLA
Chatwal Gurdeep R & Anand Sham K, . Instrumental methods of chemical analysis .-5th Rev & enl. Himalaya Publishing House, Mumbai: . 1989.