APA (7 वां संस्करण) प्रशस्ति पत्र
Clapton, G. (2003). Birth fathers and their adoption experiences. Jessica Kingsley Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Clapton, Gary. Birth Fathers and Their Adoption Experiences. London ; Philadelphia: Jessica Kingsley Publishers, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Clapton, Gary. Birth Fathers and Their Adoption Experiences. Jessica Kingsley Publishers, 2003.
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