Não informado. (1938). Philippine Journal of Forestry. Department of Agriculture and Natural Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Philippine Journal of Forestry. Manila: Department of Agriculture and Natural Resources, 1938.
Lua MLA (8ú heag.)Não informado. Philippine Journal of Forestry. Department of Agriculture and Natural Resources, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.