Dyfyniad APA

Ward,Richard J. (1967). The challenge of development: Theory and practice. Aldine.

Dyfyniad Arddull Chicago

Ward,Richard J. The Challenge of Development: Theory and Practice. Chicago: Aldine, 1967.

Dyfyniad MLA

Ward,Richard J. The Challenge of Development: Theory and Practice. Aldine, 1967.

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