Cita APA (7a ed.)
Holt, A. S. J. (2001). Principles of construction safety. Blackwell Science.
Cita Chicago Style (17a ed.)
Holt, Allan St. John. Principles of Construction Safety. Oxford ; Malden, MA: Blackwell Science, 2001.
Cita MLA (9a ed.)
Holt, Allan St. John. Principles of Construction Safety. Blackwell Science, 2001.
Precaución: Estas citas no son 100% exactas.