Hickerson, J. A. (1952). Guiding children's arithmetic experiences: The experience language approach to numbers. Prentice-Hall.
Citace podle Chicago (17th ed.)Hickerson, James Allen. Guiding Children's Arithmetic Experiences: The Experience Language Approach to Numbers. New York, New York: Prentice-Hall, 1952.
Citace podle MLA (9th ed.)Hickerson, James Allen. Guiding Children's Arithmetic Experiences: The Experience Language Approach to Numbers. Prentice-Hall, 1952.
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