SWAMINATHAN. (1991). LECTURES ON COSTING. S CHAND AND CO.
Chicago Style aipamenaSWAMINATHAN. LECTURES ON COSTING. S CHAND AND CO, 1991.
MLA aipamenaSWAMINATHAN. LECTURES ON COSTING. S CHAND AND CO, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.