Walpole, B. (1988). 175 science experiments to amuse and amaze your friends: Experiments! tricks! things to make! Random House.
Citace podle Chicago (17th ed.)Walpole, Brenda. 175 Science Experiments to Amuse and Amaze Your Friends: Experiments! Tricks! Things to Make! New York: Random House, 1988.
Citace podle MLA (9th ed.)Walpole, Brenda. 175 Science Experiments to Amuse and Amaze Your Friends: Experiments! Tricks! Things to Make! Random House, 1988.
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