APA-ийн эшлэл(7 дахь хэвлэлт)

National Research Council (U.S.), ebrary, Inc, & Koenig, J. A. (2011). Assessing 21st century skills: Summary of a workshop. National Academies Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

National Research Council (U.S.), Inc ebrary, ба Judith Anderson Koenig. Assessing 21st Century Skills: Summary of a Workshop. Washington, D.C.: National Academies Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

National Research Council (U.S.), et al. Assessing 21st Century Skills: Summary of a Workshop. National Academies Press, 2011.