Dyfyniad APA

O'riordan, T. (1979). Progress in Resourse Management and developmental Planning. Wiley Eastern.

Dyfyniad Arddull Chicago

O'riordan, Timothy. Progress in Resourse Management and Developmental Planning. Chichester: Wiley Eastern, 1979.

Dyfyniad MLA

O'riordan, Timothy. Progress in Resourse Management and Developmental Planning. Wiley Eastern, 1979.

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