Style de citation APA (7e éd.)

Syrku, P. A. (1898). K istorīi ispravlenī︠i︡a knig v Bolgarīi v XIV v︠i︡ek︠i︡e. Tip. Imp. Akademīi nauk.

Style de citation Chicago (17e éd.)

Syrku, Polikhroniĭ Agapievich. K Istorīi Ispravlenī︠i︡a Knig V Bolgarīi V XIV V︠i︡ek︠i︡e. Sanktpeterburg: Tip. Imp. Akademīi nauk, 1898.

Style de citation MLA (8e éd.)

Syrku, Polikhroniĭ Agapievich. K Istorīi Ispravlenī︠i︡a Knig V Bolgarīi V XIV V︠i︡ek︠i︡e. Tip. Imp. Akademīi nauk, 1898.