Dyfyniad APA

Harvard Business Essentials. Time Management. Harvard Business School Press.

Dyfyniad Arddull Chicago

Harvard Business Essentials. Time Management. Boston: Harvard Business School Press.

Dyfyniad MLA

Harvard Business Essentials. Time Management. Harvard Business School Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.