Não informado. (2001). Annual report of the Bureau of Science, Philippine Islands. Bureau of Science.
Čikaški stil citiranja (17. izdanje)Não informado. Annual Report of the Bureau of Science, Philippine Islands. Manila: Bureau of Science, 2001.
MLA način citiranja (8. izdanje)Não informado. Annual Report of the Bureau of Science, Philippine Islands. Bureau of Science, 2001.
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