Dyfyniad APA

Roche, C. (1999). Impact assessment for development agencies: Learning to value change. Oxfam.

Dyfyniad Arddull Chicago

Roche, Chris. Impact Assessment for Development Agencies: Learning to Value Change. Oxford: Oxfam, 1999.

Dyfyniad MLA

Roche, Chris. Impact Assessment for Development Agencies: Learning to Value Change. Oxfam, 1999.

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