Gaya APA
Kjellen, U. (2017).
Prevention of Accidents and Unwanted Occurrences : Theory, Methods, and Tools in Safety Management, Second Edition (Second edition).
Boca Raton, FL:
CRC Press.
Gaya MLA
Kjellen, Urban.
"Prevention of Accidents and Unwanted Occurrences : Theory, Methods, and Tools in Safety Management, Second Edition".
Second edition
Boca Raton, FL:
CRC Press,
2017.
Koleksi Elektronik.