Cita APA (7th ed.)

Lauchachinda, C. (1977). Congruence of circles associated with a given surface [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Lauchachinda, Chintana. Congruence of Circles Associated with a Given Surface [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA (9th ed.)

Lauchachinda, Chintana. Congruence of Circles Associated with a Given Surface [microform]. Photoduplication Service. University of the Philippines Library, 1977.