APA Style
Clarfield, G. (1992).
United States Diplomatic History Vol.2 : the age of ascendancy. .
Englewood Cliffs, NJ.:
Prentice Hall..
MLA Style
Clarfield, Gerard..
"United States Diplomatic History Vol.2 : the age of ascendancy.".
Englewood Cliffs, NJ.:
Prentice Hall.,
1992.
หนังสือ (Book).