APA-viite (7. p.)
Society of Petroleum Engineers. (1997). Drilling fluids. Society of Petroleum Engineers.
Chicago-viite (17. p.)
Society of Petroleum Engineers. Drilling Fluids. Texas: Society of Petroleum Engineers, 1997.
MLA-viite (9. p.)
Society of Petroleum Engineers. Drilling Fluids. Society of Petroleum Engineers, 1997.
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