APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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