Hume, J. N. P. <br/><br/>
Structured programming using PL/1 and SP/k / 
J.N.P. Hume, R.C. Holt. 
 - Reston, VA :  Reston,  1975. 
 - xii, 340 p. 
<br/><br/><label>ISBN: </label>0879097930 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pl /1 (Computer program language)<br/>Computer programming.