Sless, D. (1986). In search of semiotics. Croom Helm.
芝加哥风格引文Sless, David. In Search of Semiotics. London: Croom Helm, 1986.
MLA引文Sless, David. In Search of Semiotics. Croom Helm, 1986.
警告：这些引文格式不一定是100％准确.
APA引文
Sless, D. (1986). In search of semiotics. Croom Helm.
芝加哥风格引文Sless, David. In Search of Semiotics. London: Croom Helm, 1986.
MLA引文Sless, David. In Search of Semiotics. Croom Helm, 1986.