Hurley, P. J., & Watson, L. (2022). A Concise Introduction to Logic (13th.). Cengage Learning India Private Limited.
Lua i Stíl Chicago (17ú heag.)Hurley, Patrick J., agus Lori Watson. A Concise Introduction to Logic. 13th. Delhi: Cengage Learning India Private Limited, 2022.
Lua MLA (9ú heag.)Hurley, Patrick J., agus Lori Watson. A Concise Introduction to Logic. 13th. Cengage Learning India Private Limited, 2022.
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