Orevkov, V. P. (1971). The calculi of symbolic logic. American Mathematical Society.
Chicago Style (17th ed.) CitationOrevkov, V. P. The Calculi of Symbolic Logic. Providence ; Rhode Island: American Mathematical Society, 1971.
MLA (9th ed.) CitationOrevkov, V. P. The Calculi of Symbolic Logic. American Mathematical Society, 1971.
Warning: These citations may not always be 100% accurate.