(1972). Type of climate and frequency of tropical cyclones in the Philippines (rev. 1973 ed.). [s.n.].
Cita Chicago (17th ed.)Type of Climate and Frequency of Tropical Cyclones in the Philippines. rev. 1973 ed. [Manila]: [s.n.], 1972.
Cita MLA (9th ed.)Type of Climate and Frequency of Tropical Cyclones in the Philippines. rev. 1973 ed. [s.n.], 1972.
Atenció: Aquestes cites poden no estar 100% correctes.