Cheng, F. (1974). Preparation of calcium-45 by the recoil process [microform]. Photoduplication Service, University of the Philippines Library.
Cita Chicago Style (17a ed.)Cheng, Fred. Preparation of Calcium-45 by the Recoil Process [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Cita MLA (9a ed.)Cheng, Fred. Preparation of Calcium-45 by the Recoil Process [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Precaución: Estas citas no son 100% exactas.