APA (7e ed.) Bronvermelding

Garstens, H. L., & Jackson, S. B. (1967). Mathematics for elementary school teachers. Macmillan.

Chicago (17e ed.) Bronvermelding

Garstens, Helen L., en Stanley B. Jackson. Mathematics for Elementary School Teachers. New York: Macmillan, 1967.

MLA (9e ed.) Bronvermelding

Garstens, Helen L., en Stanley B. Jackson. Mathematics for Elementary School Teachers. Macmillan, 1967.