from Harvard Business Review. Management tips. Boston, Mass: Harvard Business Review Press.
Dyfyniad Arddull Chicagofrom Harvard Business Review. Management Tips. Boston, Mass: Harvard Business Review Press.
Dyfyniad MLAfrom Harvard Business Review. Management Tips. Boston, Mass: Harvard Business Review Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.