Association for Science Education & Andrew, H. G. (1972). Safeguards in the school laboratory (6th ed., revised and reset.). J. Murray.
Citace podle Chicago (17th ed.)Association for Science Education a Horace George Andrew. Safeguards in the School Laboratory. 6th ed., revised and reset. London: J. Murray, 1972.
Citace podle MLA (8th ed.)Association for Science Education a Horace George Andrew. Safeguards in the School Laboratory. 6th ed., revised and reset. J. Murray, 1972.
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