Ghosh,B N, & Ghosh,Rama. (1991). David Ricardo. Deep & Deep.
Chicago Style aipamenaGhosh,B N, and Ghosh,Rama. David Ricardo. New Delhi: Deep & Deep, 1991.
MLA aipamenaGhosh,B N, and Ghosh,Rama. David Ricardo. Deep & Deep, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.