Young, M. L. (1985). Scientific and technical organization and agencies' directory. Gale Research Co.
استشهاد بنمط شيكاغوYoung, Margaret Labash. Scientific and Technical Organization and Agencies' Directory. Detroit: Gale Research Co, 1985.
MLA استشهادYoung, Margaret Labash. Scientific and Technical Organization and Agencies' Directory. Gale Research Co, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.