National Research Council (Waszyngton). Library & Kohr, J. R. (1955). Scientific and technical societies of the United States and Canada. National Academy of Sciences - National Research Council.
Chicago-Zitierstil (17. Ausg.)National Research Council (Waszyngton). Library und John R. Kohr. Scientific and Technical Societies of the United States and Canada. Washington: National Academy of Sciences - National Research Council, 1955.
MLA-Zitierstil (9. Ausg.)National Research Council (Waszyngton). Library und John R. Kohr. Scientific and Technical Societies of the United States and Canada. National Academy of Sciences - National Research Council, 1955.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.