Shenkman, M. M. (1998). The beneficiary workbook. John Wiley.
Cita Chicago (17th ed.)Shenkman, Martin M. The Beneficiary Workbook. New York: John Wiley, 1998.
Cita MLA (8th ed.)Shenkman, Martin M. The Beneficiary Workbook. John Wiley, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.