Cita APA (7th ed.)
Dornan, E. A., & Dees, R. (1999). Four in one: Thinking, reading, writing, researching. Allyn and Bacon.
Cita Chicago (17th ed.)
Dornan, Edward A., i Robert Dees. Four in One: Thinking, Reading, Writing, Researching. Boston: Allyn and Bacon, 1999.
Cita MLA (9th ed.)
Dornan, Edward A., i Robert Dees. Four in One: Thinking, Reading, Writing, Researching. Allyn and Bacon, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.