APA (7 वां संस्करण) प्रशस्ति पत्र
BEECHAM, J. (2005). UNIT COSTS. NOT EXACTLY CHILD'S PLAY. A GUIDE TO ESTIMATING UNIT COSTS FOR CHILDREN'S SOCIAL CARE. DARTINGTON SOCIAL RESEARCH UNIT.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
BEECHAM, J. UNIT COSTS. NOT EXACTLY CHILD'S PLAY. A GUIDE TO ESTIMATING UNIT COSTS FOR CHILDREN'S SOCIAL CARE. Londres: DARTINGTON SOCIAL RESEARCH UNIT, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
BEECHAM, J. UNIT COSTS. NOT EXACTLY CHILD'S PLAY. A GUIDE TO ESTIMATING UNIT COSTS FOR CHILDREN'S SOCIAL CARE. DARTINGTON SOCIAL RESEARCH UNIT, 2005.
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