Plumbing. 

 - Wellington, N.Z :  E. C. Keating, Government Printer,  1968. 
 - 372 p. :  ill. 
<br/><br/> "This book was written and prepared for publication by the New Zealand Technical Correspondence Institute" 
<br/><br/><label>ISBN: </label>0477010369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plumbing--Vocational guidance.