APA Style
Cima, R, J. (1989).
Vietnam : a country study / Ronald J. Cima (1st ed.).
Washington D.C.:
U.S.Government Printing office.
MLA Style
Cima, Ronald, J..
"Vietnam : a country study / Ronald J. Cima".
1st ed.
Washington D.C.:
U.S.Government Printing office,
1989.
หนังสือ (Book).