Williams, G. (1996). Unusual connections: Maths through investigations. Gaye Williams Publications.
Citace podle Chicago (17th ed.)Williams, Gaye. Unusual Connections: Maths Through Investigations. Brighton, Vic: Gaye Williams Publications, 1996.
Citace podle MLA (9th ed.)Williams, Gaye. Unusual Connections: Maths Through Investigations. Gaye Williams Publications, 1996.
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