Lesikar, R. (1969). Report writing for business. R.D. Irwin.
Chicago Style aipamenaLesikar, R. Report Writing for Business. NULL: R.D. Irwin, 1969.
MLA aipamenaLesikar, R. Report Writing for Business. R.D. Irwin, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.