Luanna taifid

Lua APA (7ú heag.)
Chang, G., & Sederberg, T. W. (1997). Over and over again. Mathematical Association of America.
Lua i Stíl Chicago (17ú heag.)
Chang, Gengzhe, agus Thomas W. Sederberg. Over and over Again. Washington, DC: Mathematical Association of America, 1997.
Lua MLA (9ú heag.)
Chang, Gengzhe, agus Thomas W. Sederberg. Over and over Again. Mathematical Association of America, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.