Dyfyniad APA

Boulding, E., & Boulding, K. E. (1995). The future: Images and processes. Sage Publications.

Dyfyniad Arddull Chicago

Boulding, Elise, and Kenneth E. Boulding. The Future: Images and Processes. Thousand Oaks, Calif.: Sage Publications, 1995.

Dyfyniad MLA

Boulding, Elise, and Kenneth E. Boulding. The Future: Images and Processes. Sage Publications, 1995.

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