Cita APA (7a ed.)

Sadiq, N. (2012). OHSAS 18001 step by step: A practical guide (1st edition.). IT Governance Publishing.

Cita Chicago Style (17a ed.)

Sadiq, Naeem. OHSAS 18001 Step by Step: A Practical Guide. 1st edition. Cambridgeshire: IT Governance Publishing, 2012.

Cita MLA (9a ed.)

Sadiq, Naeem. OHSAS 18001 Step by Step: A Practical Guide. 1st edition. IT Governance Publishing, 2012.