Philippines. Weather Bureau & Coronas, J. (1908). Typhoon-warning code of Manila Observatory. Bureau of Printing.
Chicago Style (17th ed.) CitationPhilippines. Weather Bureau and Jose Coronas. Typhoon-warning Code of Manila Observatory. Manila: Bureau of Printing, 1908.
MLA (9th ed.) CitationPhilippines. Weather Bureau and Jose Coronas. Typhoon-warning Code of Manila Observatory. Bureau of Printing, 1908.
Warning: These citations may not always be 100% accurate.