Dyfyniad APA
Hume, D. (1993). An enquiry concerning human understanding. Heckett.
Dyfyniad Arddull Chicago
Hume, David. An Enquiry Concerning Human Understanding. Cambridge: Heckett, 1993.
Dyfyniad MLA
Hume, David. An Enquiry Concerning Human Understanding. Heckett, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.