Hume, D. (2001). Of essay writing. Alex Catalogue.
Cita Chicago (17th ed.)Hume, David. Of Essay Writing. Raleigh, NC: Alex Catalogue, 2001.
Cita MLA (9th ed.)Hume, David. Of Essay Writing. Alex Catalogue, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.