APA Style

Castle, T, N. (1993). At war in the shadow of Vietnam : United States military aid to the Royal Lao Government, 1955 - 75 (1). New York: Columbia University Press.

MLA Style

Castle, Timothy, N.. "At war in the shadow of Vietnam : United States military aid to the Royal Lao Government, 1955 - 75". 1 New York: Columbia University Press, 1993. หนังสือ (Book).