APA
Ormsby G. S., Young G., International Association of Drilling Contractors I., Young G. & International Association of drilling contractors I. (1983). Mud system arrangements. Houston: Gulf Publishing.
Chicago
Ormsby George S, Young Grant, International Association of Drilling Contractors IADC, Young Grant and International Association of drilling contractors IADC. 1983. Mud system arrangements. Houston: Gulf Publishing.
Harvard
Ormsby G. S., Young G., International Association of Drilling Contractors I., Young G. and International Association of drilling contractors I. (1983). Mud system arrangements. Houston: Gulf Publishing.
MLA
Ormsby George S, Young Grant, International Association of Drilling Contractors IADC, Young Grant and International Association of drilling contractors IADC. Mud system arrangements. Houston: Gulf Publishing. 1983.