Gaya APA
Chugh, Chandar Parkash. (1971).
Diamond Drilling .
New Delhi:
Oxford dan ibh publishing co.
Gaya Chicago
Chugh, Chandar Parkash.
Diamond Drilling.
New Delhi:
Oxford dan ibh publishing co,
1971.
Text.
Gaya MLA
Chugh, Chandar Parkash.
Diamond Drilling.
New Delhi:
Oxford dan ibh publishing co,
1971.
Text.
Gaya Turabian
Chugh, Chandar Parkash.
Diamond Drilling.
New Delhi:
Oxford dan ibh publishing co,
1971.
Print.