APA
Biedermann J., Biedermann J. & Freidhof G. (1984). Texts and studies on Russian universal grammar 1806 - 1812: Teil 2. The universal grammars of I. Rižskij, Char'kov 1806, N. Jazvickij, SPb. 1810. I. Timkovskij, Char'kov 1811. L.G. Jakob, SPb. 1812. Bern: Peter Lang International Academic Publishers.
Chicago
Biedermann Johann, Biedermann Johann and Freidhof Gerd. 1984. Texts and studies on Russian universal grammar 1806 - 1812: Teil 2. The universal grammars of I. Rižskij, Char'kov 1806, N. Jazvickij, SPb. 1810. I. Timkovskij, Char'kov 1811. L.G. Jakob, SPb. 1812. Bern: Peter Lang International Academic Publishers.
Harvard
Biedermann J., Biedermann J. and Freidhof G. (1984). Texts and studies on Russian universal grammar 1806 - 1812: Teil 2. The universal grammars of I. Rižskij, Char'kov 1806, N. Jazvickij, SPb. 1810. I. Timkovskij, Char'kov 1811. L.G. Jakob, SPb. 1812. Bern: Peter Lang International Academic Publishers.
MLA
Biedermann Johann, Biedermann Johann and Freidhof Gerd. Texts and studies on Russian universal grammar 1806 - 1812: Teil 2. The universal grammars of I. Rižskij, Char'kov 1806, N. Jazvickij, SPb. 1810. I. Timkovskij, Char'kov 1811. L.G. Jakob, SPb. 1812. Bern: Peter Lang International Academic Publishers. 1984.