COMPETITION SUCCESS REVIEW. (1991). GENERAL KNOWLEDGE 1990-91 (122.). COMPETITION REVIEW PVT. LTD.
Citazione stile Chigago Style (17a edizione)COMPETITION SUCCESS REVIEW. GENERAL KNOWLEDGE 1990-91. 122. NEW DELHI: COMPETITION REVIEW PVT. LTD, 1991.
Citatione MLA (9a ed.)COMPETITION SUCCESS REVIEW. GENERAL KNOWLEDGE 1990-91. 122. COMPETITION REVIEW PVT. LTD, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.