Chen, C. (1981). Directory of Health Sciences Libraries in the United States, 1979 and Annual Statistics of Medical School Libraries in the United States and Canada, 1979/80.
Dyfyniad Arddull ChicagoChen, Ching-chih. Directory of Health Sciences Libraries in the United States, 1979 and Annual Statistics of Medical School Libraries in the United States and Canada, 1979/80. 1981.
Dyfyniad MLAChen, Ching-chih. Directory of Health Sciences Libraries in the United States, 1979 and Annual Statistics of Medical School Libraries in the United States and Canada, 1979/80. 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.