Alexanderson, G. L. (1985). The Santa Clara silver anniversary contest book: Problems and solutions of the University of Santa Clara High School mathematics contests. Dale Seymour Publications.
Chicago-viite (17. p.)Alexanderson, Gerald L. The Santa Clara Silver Anniversary Contest Book: Problems and Solutions of the University of Santa Clara High School Mathematics Contests. Palo Alto, Calif.: Dale Seymour Publications, 1985.
MLA-viite (8. p.)Alexanderson, Gerald L. The Santa Clara Silver Anniversary Contest Book: Problems and Solutions of the University of Santa Clara High School Mathematics Contests. Dale Seymour Publications, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.