Gaya APA

Sah, S. (, 20). Encyclopaedia of petroleum science and engineering. Vol.7 Drilling and drilling fluids, well cementing, production, and transport of oil and natural gas (2003). : Delhi : Kalpaz Publications.

Gaya MLA

Sah, S.L.. "Encyclopaedia of petroleum science and engineering. Vol.7 Drilling and drilling fluids, well cementing, production, and transport of oil and natural gas". 2003 : Delhi : Kalpaz Publications, , 20. Text.