Cita APA (7a ed.)

Davies, V., & Tomasin, K. (1990). Construction safety handbook. Telford.

Cita Chicago Style (17a ed.)

Davies, V.J, y K. Tomasin. Construction Safety Handbook. London: Telford, 1990.

Cita MLA (9a ed.)

Davies, V.J, y K. Tomasin. Construction Safety Handbook. Telford, 1990.