Dyfyniad APA

Basta, N. (1991). The Environmental career guide: Job opportunities with the Earth in mind. John Wiley and Sins,Inc.

Dyfyniad Arddull Chicago

Basta, Nicholas. The Environmental Career Guide: Job Opportunities with the Earth in Mind. New York: John Wiley and Sins,Inc, 1991.

Dyfyniad MLA

Basta, Nicholas. The Environmental Career Guide: Job Opportunities with the Earth in Mind. John Wiley and Sins,Inc, 1991.

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