Nisperos, Nestor Martinez,  1928- <br/><br/>
Philippine foreign policy on the North Borneo question / 
by Nestor Martinez Nisperos. 
 - Pittsburg (Pa.) :  University of Pittsburg,  1970. 
 - 336 p. ;  20 cm. 
<br/><br/> Thesis (Ph.D) - University of Pittsburgh, 1969. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippines--Foreign relations--Sabah.