Hhalvorson, H. G., Hallowell, E. M., Schwartz, T., Fryer, B., McCarthy, C., & Hhalvorson, H. G. HBR guide to managing stress at work: Renew your energy. Lighten the load. Strike a better balance. Harvard Business Review Press.

Hhalvorson, Heidi Grant, Edward M. Hallowell, Tony Schwartz, Bronwyn Fryer, Catherine McCarthy, và Heidi Grant  Hhalvorson. HBR Guide to Managing Stress At Work: Renew Your Energy. Lighten the Load. Strike a Better Balance. Harvard Business Review Press.

Hhalvorson, Heidi Grant, et al. HBR Guide to Managing Stress At Work: Renew Your Energy. Lighten the Load. Strike a Better Balance. Harvard Business Review Press.