Hussey D.E. (1994). Corporate Planning Theory And Practice (2 th.). Pergamon Press Ltd.,Headington Hill Hall.
Cita Chicago (17th ed.)Hussey D.E. Corporate Planning Theory And Practice. 2 th. UK: Pergamon Press Ltd.,Headington Hill Hall, 1994.
Cita MLA (9th ed.)Hussey D.E. Corporate Planning Theory And Practice. 2 th. Pergamon Press Ltd.,Headington Hill Hall, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.