APA-ийн эшлэл(7 дахь хэвлэлт)

Karoly, L. A., & Panis, C. W. A. (2004). The 21st century at work: Forces shaping the future workforce and workplace in the United States. RAND.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Karoly, Lynn A., ба Constantijn W. A. Panis. The 21st Century at Work: Forces Shaping the Future Workforce and Workplace in the United States. Santa Monica, Calif.: RAND, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Karoly, Lynn A., ба Constantijn W. A. Panis. The 21st Century at Work: Forces Shaping the Future Workforce and Workplace in the United States. RAND, 2004.