Parrish, H. (1967). Pratt and Mackenzie's Law of highways - supplement (21st ed.). Butterworth.
Chicago Edition CitationParrish, Harold. Pratt and Mackenzie's Law of Highways - Supplement. 21st ed. London: Butterworth, 1967.
MLA引文Parrish, Harold. Pratt and Mackenzie's Law of Highways - Supplement. 21st ed. Butterworth, 1967.
警告:這些引文格式不一定是100%准確.