Dyfyniad APA

Young, M. L. (1985). Scientific and technical organization and agencies directory. Gale Research.

Dyfyniad Arddull Chicago

Young, Margaret Labash. Scientific and Technical Organization and Agencies Directory. Detroit: Gale Research, 1985.

Dyfyniad MLA

Young, Margaret Labash. Scientific and Technical Organization and Agencies Directory. Gale Research, 1985.

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