Gaya APA
Sah, S. (2003).
Encyclopaedia of petroleum science and engineering. Vol.4 Production (2003).
:
Delhi : Kalpaz Publications,.
Gaya MLA
Sah, S.L..
"Encyclopaedia of petroleum science and engineering. Vol.4 Production".
2003
:
Delhi : Kalpaz Publications,,
2003.
Text.