(1975). AAAS science film catalog / Ann Seltz-Petrash, project editor and compiler and Kathryn Wolff, managing editor, AAAS Publications Program ; prepared with the assistance of the National Science Foundation.
Dyfyniad Arddull ChicagoAAAS Science Film Catalog / Ann Seltz-Petrash, Project Editor and Compiler and Kathryn Wolff, Managing Editor, AAAS Publications Program ; Prepared with the Assistance of the National Science Foundation. 1975.
Dyfyniad MLAAAAS Science Film Catalog / Ann Seltz-Petrash, Project Editor and Compiler and Kathryn Wolff, Managing Editor, AAAS Publications Program ; Prepared with the Assistance of the National Science Foundation. 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.