Merrill, E. D., Clarke, C. B., Hackel, E., & Ridley, H. N. (1904). New or noteworthy Philippine plants. Bureau of Public Print.
Lua i Stíl Chicago (17ú heag.)Merrill, Elmer Drew, Charles Baron Clarke, Eduard Hackel, agus Henry N. Ridley. New or Noteworthy Philippine Plants. Manila: Bureau of Public Print, 1904.
Lua MLA (9ú heag.)Merrill, Elmer Drew, et al. New or Noteworthy Philippine Plants. Bureau of Public Print, 1904.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.