Mackay, R. G. (1994). Stylistics [doctoral dissertation, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-1812201200007223
Qaisi, S. A., & Abdulameer, A. (2016). Severe proptosis due to infection. International Journal of Case Reports and Images (IJCRI), 7(10), x+671-673. https://doi.org/10.5348/ijcri-201613-CL-10106