Hewison, N. S. (1989). Evaluating CD-ROM versions of the MEDLINE database: A checklist.
Chicago Style aipamenaHewison, N S. Evaluating CD-ROM Versions of the MEDLINE Database: A Checklist. 1989.
MLA aipamenaHewison, N S. Evaluating CD-ROM Versions of the MEDLINE Database: A Checklist. 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.