Ory, J., C., & Ryan, K. (1993). Tips for improving testing and grading(v.4). Sage Publications.
Čikaški stil citiranjaOry, John, C., i Katherine Ryan. Tips for Improving Testing and Grading(v.4). Newbury Park: Sage Publications, 1993.
MLA način citiranjaOry, John, C., i Katherine Ryan. Tips for Improving Testing and Grading(v.4). Sage Publications, 1993.
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