APA-referens (7:e uppl.)

MAY, L. J. (1970). Teaching mathematics in the elementary school. The Free Press.

Chicago-referens (17:e uppl.)

MAY, Lola June. Teaching Mathematics in the Elementary School. New York: The Free Press, 1970.

MLA-referens (9:e uppl.)

MAY, Lola June. Teaching Mathematics in the Elementary School. The Free Press, 1970.