BLANCHARD KEN. (2002). WHALE DONE: POWER OF POSITIVE RELATIONSHIPS. NICHOLAS BREALEY INTERNATIONAL.
Cita Chicago (17th ed.)BLANCHARD KEN. WHALE DONE: POWER OF POSITIVE RELATIONSHIPS. LONDON: NICHOLAS BREALEY INTERNATIONAL, 2002.
Cita MLA (9th ed.)BLANCHARD KEN. WHALE DONE: POWER OF POSITIVE RELATIONSHIPS. NICHOLAS BREALEY INTERNATIONAL, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.