APA (7 वां संस्करण) प्रशस्ति पत्र

Cronin, D., & Lewin, B. (2010). A barnyard collection: Click, clack, moo and more. Atheneum Books for Young Readers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cronin, Doreen, और Betsy Lewin. A Barnyard Collection: Click, Clack, Moo and More. New York: Atheneum Books for Young Readers, 2010.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Cronin, Doreen, और Betsy Lewin. A Barnyard Collection: Click, Clack, Moo and More. Atheneum Books for Young Readers, 2010.