Gupta, J. (1987). Consumer confrontation. Consumer Education and Research Society.
Chicago Style aipamenaGupta, Joyeeta. Consumer Confrontation. Ahmedabad: Consumer Education and Research Society, 1987.
MLA aipamenaGupta, Joyeeta. Consumer Confrontation. Consumer Education and Research Society, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.