Παραπομπή APA

Frey, A. H., & Singmaster, D. (1982). Handbook of cubik math. Enslow Publishers.

Παραπομπή Chicago Style

Frey, Alexander H., και David Singmaster. Handbook of Cubik Math. New Jersy: Enslow Publishers, 1982.

Παραπομπή MLA

Frey, Alexander H., και David Singmaster. Handbook of Cubik Math. Enslow Publishers, 1982.