Mihaylova, M., Todorov, P. Business review. Business overview. Велико Търново: АБАГАР, 2009 108 с. 978-954-427-849-6.
Mihaylova, M., Todorov, P. Business review. Business overview. Велико Търново: АБАГАР, 2009 108 с. 978-954-427-849-6.
Mihaylova, M., Todorov, P. (2009) Business review. Business overview, Велико Търново: АБАГАР 108 с. 978-954-427-849-6.
Mihaylova, M., & Todorov, P. (2009). Business review. Business overview. Supplementary Grammar Exercises. Велико Търново: АБАГАР, 108 с.
Mihaylova M, Todorov P. Business review. Business overview: Supplementary Grammar Exercises. Велико Търново: АБАГАР; 2009. p. 108 с. ISBN: 978-954-427-849-6.