Merrill, E. D. (1926). A discussion and bibliography of Philippine flowering plants. Bureau of Printing.
Lua i Stíl Chicago (17ú heag.)Merrill, Elmer Drew. A Discussion and Bibliography of Philippine Flowering Plants. Manila: Bureau of Printing, 1926.
Lua MLA (8ú heag.)Merrill, Elmer Drew. A Discussion and Bibliography of Philippine Flowering Plants. Bureau of Printing, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.