Citazione Stile APA (7a Edizione)

JAIN VIJAY K. (1995). O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... BPB PUBLICATIONS.

Citazione stile Chigago Style (17a edizione)

JAIN VIJAY K. O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... NEW DELHI: BPB PUBLICATIONS, 1995.

Citatione MLA (9a ed.)

JAIN VIJAY K. O LEVEL MODULE IV SECTION B PROBLEM SOLVING ........... BPB PUBLICATIONS, 1995.