Dyfyniad APA

Callenbach, E., Capra, F., Goldman, L., Lutz, R., & Marburg, S. (1993). Ecomanagement: The Elmwood guide to ecological auditing and sustainable business. Berrett-Koehler.

Dyfyniad Arddull Chicago

Callenbach, Ernest, Fritjof Capra, Lenore Goldman, Rudiger Lutz, and Sandra Marburg. Ecomanagement: The Elmwood Guide to Ecological Auditing and Sustainable Business. San Francisco: Berrett-Koehler, 1993.

Dyfyniad MLA

Callenbach, Ernest, et al. Ecomanagement: The Elmwood Guide to Ecological Auditing and Sustainable Business. Berrett-Koehler, 1993.

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