APA Format
Isveta, Oondjieva; Oondjieva Ivan. ([1980?]).
Hristo Botev : a biografphy / Ivan Oundjiev, Tsveta Oundjieva
. [S.l.] :: Sofia,.
MLA Format
Isveta, Oondjieva; Oondjieva Ivan.
Hristo Botev : a biografphy / Ivan Oundjiev, Tsveta Oundjieva
. [S.l.] :: Sofia,, [1980?]
Chicago Format
Isveta, Oondjieva; Oondjieva Ivan. Hristo Botev : a biografphy / Ivan Oundjiev, Tsveta Oundjieva. [S.l.] :: Sofia,, [1980?].