Higgins, L. R., & Morrow, L. C. (1977). Maintenance engineering handbook (3a. ed.). McGraw-Hill.
Cita Chicago (17th ed.)Higgins, Lindley R., i Lester Coridon Morrow. Maintenance Engineering Handbook. 3a. ed. Nueva York: McGraw-Hill, 1977.
Cita MLA (9th ed.)Higgins, Lindley R., i Lester Coridon Morrow. Maintenance Engineering Handbook. 3a. ed. McGraw-Hill, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.