JAIN VIJAY K. (1995). `O`LEVEL MODULE -IV PROBLEM SOLVING IN BASIC. BPB PUBLICATIONS.
Cita Chicago (17th ed.)JAIN VIJAY K. `O`LEVEL MODULE -IV PROBLEM SOLVING IN BASIC. NEW DELHI: BPB PUBLICATIONS, 1995.
Cita MLA (9th ed.)JAIN VIJAY K. `O`LEVEL MODULE -IV PROBLEM SOLVING IN BASIC. BPB PUBLICATIONS, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.