Gaya APA
Skalle, Pal. ().
DRILLING FLUID ENGINEERING .
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Gaya Chicago
Skalle, Pal.
DRILLING FLUID ENGINEERING.
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Text.
Gaya MLA
Skalle, Pal.
DRILLING FLUID ENGINEERING.
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Text.
Gaya Turabian
Skalle, Pal.
DRILLING FLUID ENGINEERING.
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Print.