APA

Fol V., . (2013). Thracian Cultural and Historical Heritage [CD-ROM]. : .

Chicago

Fol Valeria, . 2013. Thracian Cultural and Historical Heritage [CD-ROM]. : .

Harvard

Fol V., . (2013). Thracian Cultural and Historical Heritage [CD-ROM]. : .

MLA

Fol Valeria, . Thracian Cultural and Historical Heritage [CD-ROM]. : . 2013.