APA

Punmia (B C) ;Khandelwal (K K), . (1982). Pert And Cpm Ed.3. : .

Chicago

Punmia (B C) ;Khandelwal (K K), . 1982. Pert And Cpm Ed.3. : .

Harvard

Punmia (B C) ;Khandelwal (K K), . (1982). Pert And Cpm Ed.3. : .

MLA

Punmia (B C) ;Khandelwal (K K), . Pert And Cpm Ed.3. : . 1982.