Dimitrov, G., Georgieva, M. Income and Expenses of the School of Higher Education. Габрово: Унив. изд. В. Априлов, 2002 с. 606 - 608, ISBN 954-683-167-0.
Dimitrov, G., Georgieva, M. Income and Expenses of the School of Higher Education. Габрово: Унив. изд. В. Априлов, 2002 с. 606 - 608, ISBN 954-683-167-0.
Dimitrov, G., Georgieva, M. (2002) Income and Expenses of the School of Higher Education, Габрово: Унив. изд. В. Априлов с. 606 - 608, ISBN 954-683-167-0.
Dimitrov, G., & Georgieva, M. (2002). Income and Expenses of the School of Higher Education. Габрово: Унив. изд. В. Априлов, с. 606 - 608.
Dimitrov G, Georgieva M. Income and Expenses of the School of Higher Education. Габрово: Унив. изд. В. Априлов; 2002. p. с. 606 - 608. ISBN: ISBN 954-683-167-0.
