Royce, C. A., Ansberry, K. R., & Morgan, E. R. (2012). Teaching science through trade books. National Science Teachers Association.
Čikaški stil citiranja (17. izdanje)Royce, Christine Anne, Karen Rohrich Ansberry, i Emily R. Morgan. Teaching Science Through Trade Books. Arlington, Va.: National Science Teachers Association, 2012.
MLA način citiranja (9. izdanje)Royce, Christine Anne, et al. Teaching Science Through Trade Books. National Science Teachers Association, 2012.
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