Ushakov, I. A. (1986). Proizvod︠i︡ashchiĭ operator. Vychislitelʹnyĭ ︠t︡sentr AN SSSR.
Chicago Style (17th ed.) CitationUshakov, I. A. Proizvod︠i︡ashchiĭ Operator. Moskva: Vychislitelʹnyĭ ︠t︡sentr AN SSSR, 1986.
MLA (8th ed.) CitationUshakov, I. A. Proizvod︠i︡ashchiĭ Operator. Vychislitelʹnyĭ ︠t︡sentr AN SSSR, 1986.
Warning: These citations may not always be 100% accurate.