Gaya APA

C.E.S.C.P., D, K, N, C. et al (2019). Electrical Safety Handbook (5 Edition). USA: Mc Graw Hill.

Gaya MLA

C.E.S.C.P., Dennis, K., Neitzel,, C.P.E.,. et al. "Electrical Safety Handbook". 5 Edition USA: Mc Graw Hill, 2019. Text.