एपीए उद्धरण

Ryan,Alan. (1973). The philosophy of social explanation. Oxford University Press.

शिकागो स्टाइल उद्धरण

Ryan,Alan. The Philosophy of Social Explanation. London: Oxford University Press, 1973.

एमएलए उद्धरण

Ryan,Alan. The Philosophy of Social Explanation. Oxford University Press, 1973.