Tan, E. (1980). Sampling considerations for diseases with low prevelence [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Tan, Elizabeth. Sampling Considerations for Diseases with Low Prevelence [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
MLA-Zitierstil (9. Ausg.)Tan, Elizabeth. Sampling Considerations for Diseases with Low Prevelence [microform]. Photoduplication Service. University of the Philippines Library, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.