Não informado. (1907). Philippine Journal of Science. National Science Development Board.
Lua i Stíl Chicago (17ú heag.)Não informado. Philippine Journal of Science. Manila: National Science Development Board, 1907.
Lua MLA (8ú heag.)Não informado. Philippine Journal of Science. National Science Development Board, 1907.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.