Dyfyniad APA

 Lowitt, E. (2011).  The future of value: How sustainability creates value through competitive differentiation.  Jossey-Bass.

Dyfyniad Arddull Chicago

 Lowitt, Eric.  The Future of Value: How Sustainability Creates Value Through Competitive Differentiation.  Jossey-Bass, 2011.

Dyfyniad MLA

 Lowitt, Eric.  The Future of Value: How Sustainability Creates Value Through Competitive Differentiation.  Jossey-Bass, 2011.

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