Schwartz, L., Armstrong, B., & Butterfield, S. M. (1990). What would you do?: A kid's guide to tricky and sticky situations. Santa Barbara, Calif.: Learning Works.
シカゴスタイル引用形Schwartz, Linda., Beverly Armstrong, , Sherri M. Butterfield. What Would You Do?: A Kid's Guide to Tricky and Sticky Situations. Santa Barbara, Calif.: Learning Works, 1990.
MLA引用形式Schwartz, Linda., Beverly Armstrong, , Sherri M. Butterfield. What Would You Do?: A Kid's Guide to Tricky and Sticky Situations. Santa Barbara, Calif.: Learning Works, 1990.
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