APA (7 वां संस्करण) प्रशस्ति पत्र

Carruthers, E., & Worthington, M. (2006). Children's mathematics: Making marks, making meaning (Second Edition.). Sage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Carruthers, Elizabeth, और Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. Second Edition. London ; Thousand Oaks, Calif.: Sage, 2006.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Carruthers, Elizabeth, और Maulfry Worthington. Children's Mathematics: Making Marks, Making Meaning. Second Edition. Sage, 2006.