Karol, P. J. (2019). Selling safety: Lessons from a former front-line supervisor (First edition.). CRC Press. https://doi.org/10.1201/9780367822408
Chicago-viite (17. p.)Karol, Patrick J. Selling Safety: Lessons from a Former Front-line Supervisor. First edition. Boca Raton: CRC Press, 2019. https://doi.org/10.1201/9780367822408.
MLA-viite (9. p.)Karol, Patrick J. Selling Safety: Lessons from a Former Front-line Supervisor. First edition. CRC Press, 2019. https://doi.org/10.1201/9780367822408.
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