Bosstick, M. (1975). Patterns in the sand an exploration in mathematics. Glencoe Press.
Cita Chicago (17th ed.)Bosstick, Maurice. Patterns in the Sand an Exploration in Mathematics. Glencoe Press, 1975.
Cita MLA (9th ed.)Bosstick, Maurice. Patterns in the Sand an Exploration in Mathematics. Glencoe Press, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.