Burns, R. B. (1980). Essential psychology: For students and professionals in the health and social services (Second edition.). MTP Press Limited.
Lua i Stíl Chicago (17ú heag.)Burns, Robert B. Essential Psychology: For Students and Professionals in the Health and Social Services. Second edition. Lancaster: MTP Press Limited, 1980.
Lua MLA (8ú heag.)Burns, Robert B. Essential Psychology: For Students and Professionals in the Health and Social Services. Second edition. MTP Press Limited, 1980.
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