Dyfyniad APA

Perrett, H. E. (1984). MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido.

Dyfyniad Arddull Chicago

Perrett, Heli E. MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido, 1984.

Dyfyniad MLA

Perrett, Heli E. MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido, 1984.

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