Cita APA (7a ed.)

Sadiq, N. (2012). OHSAS 18001 Step by Step: A Practical Guide. IT Governance Publishing.

Cita Chicago Style (17a ed.)

Sadiq, Naeem. OHSAS 18001 Step by Step: A Practical Guide. Ely, United Kingdom: IT Governance Publishing, 2012.

Cita MLA (8a ed.)

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