Dyfyniad APA

National Library of Medicine. List of journals indexed in index medicus.

Dyfyniad Arddull Chicago

National Library of Medicine. List of Journals Indexed in Index Medicus.

Dyfyniad MLA

National Library of Medicine. List of Journals Indexed in Index Medicus.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.