Martinez, S. T. (1980). Logic: A textbook in deductive reasoning. Alemar-Phoenix Publishing House, Inc.
Chicago-referens (17:e uppl.)Martinez, Salvador T. Logic: A Textbook in Deductive Reasoning. Quezon Avenue, Quezon City: Alemar-Phoenix Publishing House, Inc, 1980.
MLA-referens (9:e uppl.)Martinez, Salvador T. Logic: A Textbook in Deductive Reasoning. Alemar-Phoenix Publishing House, Inc, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.