APA-viite (7. p.)
(2015). Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. Routledge.
Chicago-viite (17. p.)
Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. New York: Routledge, 2015.
MLA-viite (9. p.)
Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. Routledge, 2015.
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