APA (7 वां संस्करण) प्रशस्ति पत्र

Carlstrom, N. W., & Saport, L. (2002). Before you were born. Eerdmans Books for Young Readers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Carlstrom, Nancy White, और Linda Saport. Before You Were Born. Grand Rapids, MI: Eerdmans Books for Young Readers, 2002.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Carlstrom, Nancy White, और Linda Saport. Before You Were Born. Eerdmans Books for Young Readers, 2002.