Managing contractors : a guide for employers.
Great Britain.Health and Safety Executive.
Cambridge Training and Development Ltd.
[U.K.] : Health and Safety Executive,
2011.
Prev. ed. : 1997.
" [Written and developed by HSE with the help of Cambridge Training and Development (CTAD) Ltd]".
Includes bibliographical references (p. 37-38).
Contractors
Contracts for work and labor