Gardner, D. (1998). Financial distance learning workbooks SWAPS. MacMillan.
Chicago Style aipamenaGardner, D.C. Financial Distance Learning Workbooks SWAPS. New Delhi: MacMillan, 1998.
MLA aipamenaGardner, D.C. Financial Distance Learning Workbooks SWAPS. MacMillan, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.