Grammatika zyri︠a︡nskago i︠a︡zyka ...
MLA
Savvaitov, P. I. (Pavel Ivanovich), 1815-1895. Grammatika zyri︠a︡nskago i︠a︡zyka .... 1850.. https://collections.library.yale.edu/catalog/30984150.
APA, 6th edition
Savvaitov, P. I. (Pavel Ivanovich), 1815-1895. (1850.)[Grammatika zyri︠a︡nskago i︠a︡zyka ...]. https://collections.library.yale.edu/catalog/30984150.