Não informado. (1972). Forestry digest. University of the Philippines, College of Forestry, Department of Forestry.
Lua i Stíl Chicago (17ú heag.)Não informado. Forestry Digest. Laguna, Filipinas: University of the Philippines, College of Forestry, Department of Forestry, 1972.
Lua MLA (8ú heag.)Não informado. Forestry Digest. University of the Philippines, College of Forestry, Department of Forestry, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.