American Association of Water Well Contractors. Johnson drillers journal. UOP Johnson Division.
Chicago Style (17th ed.) CitationAmerican Association of Water Well Contractors. Johnson Drillers Journal. St. Paul: UOP Johnson Division.
MLA (9th ed.) CitationAmerican Association of Water Well Contractors. Johnson Drillers Journal. UOP Johnson Division.
Warning: These citations may not always be 100% accurate.