APA-referens (7:e uppl.)

SHUMWAY, R. J. (1980). Research in mathematic education. The National Council.

Chicago-referens (17:e uppl.)

SHUMWAY, Richard J. Research in Mathematic Education. Virginia: The National Council, 1980.

MLA-referens (9:e uppl.)

SHUMWAY, Richard J. Research in Mathematic Education. The National Council, 1980.