Harvard:
Nhan, N.T. 1990, "Ophthalmology in Vietnam", in Vietnamese Studies, no. 27,
APA:
Nhan, N.T. (1990). Ophthalmology in Vietnam. Vietnamese Studies, (27) .
Chicago:
Nhan, Nguyen Trong. 1990. "Ophthalmology in Vietnam." In Vietnamese Studies, , no. 27.
MLA:
Nhan, Nguyen Trong. "Ophthalmology in Vietnam." Vietnamese Studies. 27 (1990): .
Citation within the text:
(Nhan 1990)
Zotero:
Save reference in Zotero
BibTeX:
@article{nhan1990ophthalmology,
  title = {Ophthalmology in Vietnam},
  author = {NHAN, Nguyen Trong},
  journal = {Vietnamese Studies},
  year = {1990},
  number = {27},
  address = {Hanoi},
  keywords = {Vietnam;Science & Technology;Public Health},
  x-date = {1990},
  BAS = {440545},
  source = {bas},
}