APA
Gorai D. K., .A Complete Guide for Mining Engineers. Dhanbad: Lovely Prakashan.
Chicago
Gorai Dr.A K, .A Complete Guide for Mining Engineers. Dhanbad: Lovely Prakashan.
Harvard
Gorai D. K., .A Complete Guide for Mining Engineers. Dhanbad: Lovely Prakashan.
MLA
Gorai Dr.A K, .Dhanbad: Lovely Prakashan. .