Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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