Booker, G. (1980). Fostering arithmetic in the primary school. Curriculum Development Centre.
Citace podle Chicago (17th ed.)Booker, George. Fostering Arithmetic in the Primary School. Canberra: Curriculum Development Centre, 1980.
Citace podle MLA (8th ed.)Booker, George. Fostering Arithmetic in the Primary School. Curriculum Development Centre, 1980.
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