APA
Sharma K. K., . (1978). Chemistry practicals for class XI. Orient Longman Ltd, New Delhi: .
Chicago
Sharma K K, . 1978. Chemistry practicals for class XI. Orient Longman Ltd, New Delhi: .
Harvard
Sharma K. K., . (1978). Chemistry practicals for class XI. Orient Longman Ltd, New Delhi: .
MLA
Sharma K K, . Chemistry practicals for class XI. Orient Longman Ltd, New Delhi: . 1978.