Dyfyniad APA

Association, B. S. R. (197). Ocean mining. Wallsend : British Ship Research Association.

Dyfyniad Arddull Chicago

Association, British Ship Research. Ocean Mining. Wallsend : British Ship Research Association, 197.

Dyfyniad MLA

Association, British Ship Research. Ocean Mining. Wallsend : British Ship Research Association, 197.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.