Young, J. A. (1963). Chemical concepts: A self-instructional programed manual / J.A. Young. Addison-Wesley Publishing Company.
Citace podle Chicago (17th ed.)Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Reading, Mass.: Addison-Wesley Publishing Company, 1963.
Citace podle MLA (9th ed.)Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Addison-Wesley Publishing Company, 1963.
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