Parmley, R. O. (2002). Field engineer's manual (Third edition.). McGraw-Hill.
Cita Chicago (17th ed.)Parmley, Robert O. Field Engineer's Manual. Third edition. New York: McGraw-Hill, 2002.
Cita MLA (9th ed.)Parmley, Robert O. Field Engineer's Manual. Third edition. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.