Mendelsohn, R. L., & Schwartz, L. M. (1987). Basic logic. Prentice-Hall.
Chicago Style aipamenaMendelsohn, Richard L., and Lewis M. Schwartz. Basic Logic. Englewood Cliffs, N.J: Prentice-Hall, 1987.
MLA aipamenaMendelsohn, Richard L., and Lewis M. Schwartz. Basic Logic. Prentice-Hall, 1987.
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