Dyfyniad APA
ebrary, Inc. (1991). The AIDS research program of the National Institutes of Health: Report of a study. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. The AIDS Research Program of the National Institutes of Health: Report of a Study. Washington, D.C.: National Academy Press, 1991.
Dyfyniad MLA
ebrary, Inc. The AIDS Research Program of the National Institutes of Health: Report of a Study. National Academy Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.