Cooper, C. L., & Judi Marshall. (1978). Understanding executive stress. Macmillan.
Dyfyniad Arddull ChicagoCooper, Cary L., and Judi Marshall. Understanding Executive Stress. London: Macmillan, 1978.
Dyfyniad MLACooper, Cary L., and Judi Marshall. Understanding Executive Stress. Macmillan, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.