Gaya APA

M.R.I.N., A, F, B, M, M. (2020). Practical Navigation For Officers Of The Watch (2020). Great Britain: Brown Son & Ferguson, LTD..

Gaya MLA

M.R.I.N., A., Frost,, B.Sc.,, Master, Mariner,. "Practical Navigation For Officers Of The Watch". 2020 Great Britain: Brown Son & Ferguson, LTD., 2020. Text.