Robert C. Gardner & Lambert, W. E. (1972). Attitudes and motivation in second-language learning. Newbury House Pub.
芝加哥风格引文Robert C. Gardner 与 Wallace E. Lambert. Attitudes and Motivation in Second-language Learning. Rowley, Mass: Newbury House Pub, 1972.
MLA引文Robert C. Gardner 与 Wallace E. Lambert. Attitudes and Motivation in Second-language Learning. Newbury House Pub, 1972.
警告：这些引文格式不一定是100％准确.