APA-referens (7:e uppl.)

(1979). Topics in mathematics: Ideas for the secondary classroom. Bell & Hyman.

Chicago-referens (17:e uppl.)

Topics in Mathematics: Ideas for the Secondary Classroom. London: Bell & Hyman, 1979.

MLA-referens (9:e uppl.)

Topics in Mathematics: Ideas for the Secondary Classroom. Bell & Hyman, 1979.