Сергеев, И. (1931). Молочное скотоводство: Types of spottiness on the Leaves.
Chicago Style (17th ed.) CitationСергеев, И. Молочное скотоводство: Types of Spottiness on the Leaves. 1931.
MLA (9th ed.) CitationСергеев, И. Молочное скотоводство: Types of Spottiness on the Leaves. 1931.
Warning: These citations may not always be 100% accurate.