APA-referens (7:e uppl.)

Nguyen Ky Nam. (1979). Some applications of cluster analysis [microform]. Photoduplication Service. University of the Philippines Library.

Chicago-referens (17:e uppl.)

Nguyen Ky Nam. Some Applications of Cluster Analysis [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.

MLA-referens (9:e uppl.)

Nguyen Ky Nam. Some Applications of Cluster Analysis [microform]. Photoduplication Service. University of the Philippines Library, 1979.