Gaya APA

, B, R, (. (2017). A Guide to Become a Successful Marine Engineer : part 1: operational level officer . s.l. :: Marine Insight,.

Gaya MLA

, Bimal, Roy, (Pengarang). "A Guide to Become a Successful Marine Engineer : part 1: operational level officer". s.l. :: Marine Insight,, 2017. Sumber Elektronik.