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.