Kaupush, Ė., & Zalʹkalye, I. (1969). Teorii︠a︡ astronomicheskikh priborov. LGU.
Chicago Style (17th ed.) CitationKaupush, Ė., and I. Zalʹkalye. Teorii︠a︡ Astronomicheskikh Priborov. Riga: LGU, 1969.
MLA引文Kaupush, Ė., and I. Zalʹkalye. Teorii︠a︡ Astronomicheskikh Priborov. LGU, 1969.
警告:这些引文格式不一定是100%准确.