Dyfyniad APA
ebrary, Inc, Feest, U., & Steinle, F. (2012). Scientific concepts and investigative practice. De Gruyter Mouton.
Dyfyniad Arddull Chicago
ebrary, Inc, Uljana Feest, and Friedrich Steinle. Scientific Concepts and Investigative Practice. Berlin ; Boston: De Gruyter Mouton, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Scientific Concepts and Investigative Practice. De Gruyter Mouton, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.