APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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