Caples, J. (1961). Tested advertising methods.
Chicago Edition CitationCaples, John. Tested Advertising Methods. 1961.
MLA引文Caples, John. Tested Advertising Methods. 1961.
警告：这些引文格式不一定是100％准确.
APA引文
Caples, J. (1961). Tested advertising methods.
Chicago Edition CitationCaples, John. Tested Advertising Methods. 1961.
MLA引文Caples, John. Tested Advertising Methods. 1961.