O'HRIEN , M. (1995). PROFIT FROM EXPERIENCE. BARD & STEPHEN.
Chicago Style aipamenaO'HRIEN , M.J. PROFIT FROM EXPERIENCE. AUSTIN: BARD & STEPHEN, 1995.
MLA aipamenaO'HRIEN , M.J. PROFIT FROM EXPERIENCE. BARD & STEPHEN, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.