APA引文

Hristova, S. G. (2009). Qualitative investigations and approximate methods for impulsive equations. Nova Science Publishers, Inc..

芝加哥风格引文

Hristova, Snezhana G. Qualitative Investigations and Approximate Methods for Impulsive Equations. New York: Nova Science Publishers, Inc., 2009.

MLA引文

Hristova, Snezhana G. Qualitative Investigations and Approximate Methods for Impulsive Equations. Nova Science Publishers, Inc., 2009.

警告：这些引文格式不一定是100％准确.