Dyfyniad APA
Johnson, H. T. (1992). Relevance regained: From top-down control to bottom-up empowerment. The fres press.
Dyfyniad Arddull Chicago
Johnson, H. Thomas. Relevance Regained: From Top-down Control to Bottom-up Empowerment. New York: The fres press, 1992.
Dyfyniad MLA
Johnson, H. Thomas. Relevance Regained: From Top-down Control to Bottom-up Empowerment. The fres press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.