Gronlund, G., & Engel, B. (2001). Focused portfolios: A complete assessment for the young child. Redleaf Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGronlund, Gaye, और Bev Engel. Focused Portfolios: A Complete Assessment for the Young Child. St. Paul, MN: Redleaf Press, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGronlund, Gaye, और Bev Engel. Focused Portfolios: A Complete Assessment for the Young Child. Redleaf Press, 2001.
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