Witherby Seamanship International <br/><br/>
Macneil's seamanship examiner    Colregs pocket book/ Witherby Seamanship International.     

 -  Livingston, Edinburgh : Witherby Seamanship International  2010 
 - iii, 155p. : ill. ( some col.&pic. ) 18cm. 
<br/><br/><label>ISBN: </label>9781856094122 
<br/><br/><label>LC Class. No.: </label>VK371 .W774 2010 
<br/><br/><label>Dewey Class. No.: </label>VK371 .W774 2010 
<br/><br/><label>National Library of Medicine Call No.: </label>VK371 .W774 2010