Gaya APA
Singh, M.P. (2005).
International Encyclopedia of enegy resource : Volume 1-4 .
Delhi:
Daya publishing house.
Gaya Chicago
Singh, M.P.
International Encyclopedia of enegy resource : Volume 1-4.
Delhi:
Daya publishing house,
2005.
Text.
Gaya MLA
Singh, M.P.
International Encyclopedia of enegy resource : Volume 1-4.
Delhi:
Daya publishing house,
2005.
Text.
Gaya Turabian
Singh, M.P.
International Encyclopedia of enegy resource : Volume 1-4.
Delhi:
Daya publishing house,
2005.
Print.