Cooper, V. R. (1971). Students manual of auditing. Gee and company.
Chicago Style aipamenaCooper, Vivian R.V. Students Manual of Auditing. London: Gee and company, 1971.
MLA aipamenaCooper, Vivian R.V. Students Manual of Auditing. Gee and company, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.