APA (7. basım) Alıntı
Howson, C. (1997). Logic with trees: An introduction to symbolic logic. Routledge.
Chicago Style (17. basım) Atıf
Howson, Colin. Logic with Trees: An Introduction to Symbolic Logic. London ; New York: Routledge, 1997.
MLA (9th ed.) Atıf
Howson, Colin. Logic with Trees: An Introduction to Symbolic Logic. Routledge, 1997.
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