APA
Hume D., . (1971). An Enquiry Concerning Human Understanding. La Salle: Open Court Publishing Co.
Chicago
Hume David, . 1971. An Enquiry Concerning Human Understanding. La Salle: Open Court Publishing Co.
Harvard
Hume D., . (1971). An Enquiry Concerning Human Understanding. La Salle: Open Court Publishing Co.
MLA
Hume David, . An Enquiry Concerning Human Understanding. La Salle: Open Court Publishing Co. 1971.
