BUTTS, D. P., & HALL, G. E. (1975). Children and science: The process of teaching and learning. Prentice Hall.
Čikaški stil citiranja (17. izdanje)BUTTS, David P., i Gene E. HALL. Children and Science: The Process of Teaching and Learning. New Jersey: Prentice Hall, 1975.
MLA način citiranja (9. izdanje)BUTTS, David P., i Gene E. HALL. Children and Science: The Process of Teaching and Learning. Prentice Hall, 1975.
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