Young, J. A. (1963). Chemical concepts: A self-instructional programed manual / J.A. Young. Addison-Wesley Publishing Company.
Citazione stile Chigago Style (17a edizione)Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Reading, Mass.: Addison-Wesley Publishing Company, 1963.
Citatione MLA (9a ed.)Young, J. A. Chemical Concepts: A Self-instructional Programed Manual / J.A. Young. Addison-Wesley Publishing Company, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.