Pagsolingan, P. T., & Pagsolingan, R. P. (1973). Eight basic theories of matter and cosmology are: The theories of sexes, life perpetuation, existence, harmony, attraction, general motion, change, and creation. Philippine Graphic Arts.
Chicago Style (17th ed.) CitationPagsolingan, Pedro Tantay, and Rodolfo Perez Pagsolingan. Eight Basic Theories of Matter and Cosmology Are: The Theories of Sexes, Life Perpetuation, Existence, Harmony, Attraction, General Motion, Change, and Creation. [Caloocan City: Philippine Graphic Arts, 1973.
MLA (9th ed.) CitationPagsolingan, Pedro Tantay, and Rodolfo Perez Pagsolingan. Eight Basic Theories of Matter and Cosmology Are: The Theories of Sexes, Life Perpetuation, Existence, Harmony, Attraction, General Motion, Change, and Creation. Philippine Graphic Arts, 1973.