Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Karoly, Lynn A., και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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