Cita APA (7a ed.)

Sadiq,Naeem, & Khan, A. H. ISO 14001 Step by step: A practical (2nd ed.). IT Governance,2019.

Cita Chicago Style (17a ed.)

Sadiq,Naeem, y Asif Hayat Khan. ISO 14001 Step by Step: A Practical. 2nd ed. United Kingdom: IT Governance,2019.

Cita MLA (9a ed.)

Sadiq,Naeem, y Asif Hayat Khan. ISO 14001 Step by Step: A Practical. 2nd ed. IT Governance,2019.