APA (7th ed.) Citation

(1991). The construction regulations : an open learning course / Health and Safety Executive: An open learning course. H.M.S.O..

Chicago Style (17th ed.) Citation

The Construction Regulations : An Open Learning Course / Health and Safety Executive: An Open Learning Course. London: H.M.S.O., 1991.

MLA (9th ed.) Citation

The Construction Regulations : An Open Learning Course / Health and Safety Executive: An Open Learning Course. H.M.S.O., 1991.

Warning: These citations may not always be 100% accurate.