Chtenīi︠a︡ o russkom i︠a︡zyki︠e︡.
MLA
Grech, Nikolaĭ, 1787-1867. Chtenīi︠a︡ o russkom i︠a︡zyki︠e︡.. 1840.. https://collections.library.yale.edu/catalog/30984347.
APA, 6th edition
Grech, Nikolaĭ, 1787-1867. (1840.)[Chtenīi︠a︡ o russkom i︠a︡zyki︠e︡.]. https://collections.library.yale.edu/catalog/30984347.