Merrill, E. D., Clarke, C. B., Hackel, E., & Ridley, H. N. (1904). New or noteworthy Philippine plants. Bureau of Public Print.
Chicagoスタイル(17版)引用形式Merrill, Elmer Drew, Charles Baron Clarke, Eduard Hackel, , Henry N. Ridley. New or Noteworthy Philippine Plants. Manila: Bureau of Public Print, 1904.
MLA(9版)引用形式Merrill, Elmer Drew, et al. New or Noteworthy Philippine Plants. Bureau of Public Print, 1904.
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