Gaya APA
Barrass, C., Derrett, D. (2012).
Ship Stability For Masters and Mates (Ed. 7).
Amsterdam:
Butterworth-\nHeineman.
Gaya MLA
Barrass, C.B., Derrett, D.R..
"Ship Stability For Masters and Mates".
Ed. 7
Amsterdam:
Butterworth-\nHeineman,
2012.
Text.