APA

Gaur (R K) ;Gupta (S L), . (1981). Engineering Physics Ed.6. : .

Chicago

Gaur (R K) ;Gupta (S L), . 1981. Engineering Physics Ed.6. : .

Harvard

Gaur (R K) ;Gupta (S L), . (1981). Engineering Physics Ed.6. : .

MLA

Gaur (R K) ;Gupta (S L), . Engineering Physics Ed.6. : . 1981.