1.
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London ; New York : Tavistock/Routledge, 1992.
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2.
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New York : Free Press ; Toronto : Maxwell Macmillan Canada ; New York : Maxwell Macmillan International, 1992, c1990.
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3.
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Amityville, N.Y. : Baywood Pub. Co., c1992.
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4.
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New York : Merrill ; Toronto : Collier Macmillan Canada : Maxwell Macmillan International Pub. Group, c1991.
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5.
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New York : Haworth Press, c1983.
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6.
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New York, Appleton-Century-Crofts [1970]
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7.
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Nashville, Abingdon Press [1970]
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