6Haggan M. Research paper titles in literature, linguis- tics, and science .- Dimensions of attraction[J]. Journal of Pragmatics, 2004,36 (2) : 293-317.
7Soler V. Comparative and contrastive observations on scientific titles written in English and Spanish[J]. Eng- lish for Specific Purposes, 2011,30 (2) : 124-137.
8Hartley J. To attract or to inform: What are titles for [J]. Journal of Technical Writing and Communication, 2005,32 (2) : 203-213.
9Soler V. Riting titles in science: An exploratory study [J]. English for Specific Purposes, 2007,26 (1) : 90-102.
