APA
Chopra V. K., . (2019). Year Book Of Cardiology-2019 Heart Failure. : Jaypee.
Chicago
Chopra Vijay K, . 2019. Year Book Of Cardiology-2019 Heart Failure. : Jaypee.
Harvard
Chopra V. K., . (2019). Year Book Of Cardiology-2019 Heart Failure. : Jaypee.
MLA
Chopra Vijay K, . Year Book Of Cardiology-2019 Heart Failure. : Jaypee. 2019.