APA način citiranja (7. izdanje)
Hristova, S. G. (2009). Qualitative investigations and approximate methods for impulsive equations. Nova Science Publishers, Inc..
Čikaški stil citiranja (17. izdanje)
Hristova, Snezhana G. Qualitative Investigations and Approximate Methods for Impulsive Equations. New York: Nova Science Publishers, Inc., 2009.
MLA način citiranja (9. izdanje)
Hristova, Snezhana G. Qualitative Investigations and Approximate Methods for Impulsive Equations. Nova Science Publishers, Inc., 2009.
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