Forsyth, F. (1984). The fourth protocol. London: Hutchinson.
Παραπομπή Chicago StyleForsyth, Frederick. The Fourth Protocol. London: Hutchinson, 1984.
MLA引文Forsyth, Frederick. The Fourth Protocol. London: Hutchinson, 1984.
警告：這些引文格式不一定是100％准確.
APA引文