APA-referens (7:e uppl.)
ebrary, Inc, Merttens, R., & Vass, J. (1993). Partnerships in maths: Parents and schools : the IMPACT Project. Falmer Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, Ruth Merttens, och Jeff Vass. Partnerships in Maths: Parents and Schools : The IMPACT Project. London : Washington, D.C.: Falmer Press, 1993.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Partnerships in Maths: Parents and Schools : The IMPACT Project. Falmer Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.