APA (7e ed.) Bronvermelding

Lesaca, R. M. (1977). Some geometrical properties and physical applications in a non-Euclidean universe [microform]. Photoduplication Service.University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Lesaca, Reynaldo M. Some Geometrical Properties and Physical Applications in a Non-Euclidean Universe [microform]. Quezon City: Photoduplication Service.University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Lesaca, Reynaldo M. Some Geometrical Properties and Physical Applications in a Non-Euclidean Universe [microform]. Photoduplication Service.University of the Philippines Library, 1977.