Rujukan Berat mati

  • Gilmer, Thomas C. (1975). Modern Ship Design. Naval Institute Press. ISBN 0-87021-399-1 Check |isbn= value: checksum (bantuan). 
  • Hayler, William B. (2003). American Merchant Seaman's Manual. Centreville, Maryland: Cornell Maritime Press. ISBN 0-87033-549-9. 
  • Turpin, Edward A. (1980). Merchant Marine Officers' Handbook, 4th edition. Centreville, Maryland: Cornell Maritime Press. ISBN 0-87038-056-X Check |isbn= value: checksum (bantuan).  Parameter |coauthors= tidak diketahui diabaikan (guna |author=) (bantuan)