THOMAS, P. I. (1991). The Contractor's Field Guide. Prentice-Hall.
Chicago Style (17th ed.) CitationTHOMAS, Paul I. The Contractor's Field Guide. Prentice-Hall, 1991.
Cita MLATHOMAS, Paul I. The Contractor's Field Guide. Prentice-Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.