O'HRIEN , M. (1995). PROFIT FROM EXPERIENCE. BARD & STEPHEN.
Cita Chicago (17th ed.)O'HRIEN , M.J. PROFIT FROM EXPERIENCE. AUSTIN: BARD & STEPHEN, 1995.
Cita MLA (9th ed.)O'HRIEN , M.J. PROFIT FROM EXPERIENCE. BARD & STEPHEN, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.