Dyfyniad APA

Merrill, E. D., Clarke, C. B., Hackel, E., & Ridley, H. N. (1904). New or noteworthy Philippine plants. Bureau of Public Print.

Dyfyniad Arddull Chicago

Merrill, Elmer Drew, Charles Baron Clarke, Eduard Hackel, and Henry N. Ridley. New or Noteworthy Philippine Plants. Manila: Bureau of Public Print, 1904.

Dyfyniad MLA

Merrill, Elmer Drew, et al. New or Noteworthy Philippine Plants. Bureau of Public Print, 1904.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.