National Research Council of the Philippines, Philippine Scientific Society, & Philippine Science Convention (4th : Manila). (1937). Abstract. s.n.
Cita Chicago (17th ed.)National Research Council of the Philippines, Philippine Scientific Society, i Philippine Science Convention (4th : Manila). Abstract. [Manila: s.n, 1937.
Cita MLA (9th ed.)National Research Council of the Philippines, et al. Abstract. s.n, 1937.
Atenció: Aquestes cites poden no estar 100% correctes.