APA
Robinson L., International Association of Drilling Contractors I. & International Association of drilling contractors I. (1985). Introduction to drilling mud systems. Houston: Gulf Publishing.
Chicago
Robinson L.H, International Association of Drilling Contractors IADC and International Association of drilling contractors IADC. 1985. Introduction to drilling mud systems. Houston: Gulf Publishing.
Harvard
Robinson L., International Association of Drilling Contractors I. and International Association of drilling contractors I. (1985). Introduction to drilling mud systems. Houston: Gulf Publishing.
MLA
Robinson L.H, International Association of Drilling Contractors IADC and International Association of drilling contractors IADC. Introduction to drilling mud systems. Houston: Gulf Publishing. 1985.