Dowlen, M., Powers, S., & Florence, H. (1987). College of Charleston mathematics contest book. Dale Seymour Publications.
Lua i Stíl Chicago (17ú heag.)Dowlen, Mary, Sandra Powers, agus Hope Florence. College of Charleston Mathematics Contest Book. Palo Alto, Calif.: Dale Seymour Publications, 1987.
Lua MLA (8ú heag.)Dowlen, Mary, et al. College of Charleston Mathematics Contest Book. Dale Seymour Publications, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.