APA-referens (7:e uppl.)

Martin, C. D., & Tongen, A. (2011). Keeping it R.E.A.L: Research experiences for all learners. Mathematical Association of America.

Chicago-referens (17:e uppl.)

Martin, Carla D., och Anthony Tongen. Keeping It R.E.A.L: Research Experiences for All Learners. Washington, D.C.: Mathematical Association of America, 2011.

MLA-referens (9:e uppl.)

Martin, Carla D., och Anthony Tongen. Keeping It R.E.A.L: Research Experiences for All Learners. Mathematical Association of America, 2011.