Cita APA (7th ed.)
Heslep, R. D. (1997). Philosophical thinking in educational practice. Praeger.
Cita Chicago (17th ed.)
Heslep, Robert D. Philosophical Thinking in Educational Practice. Westport, Conn.: Praeger, 1997.
Cita MLA (9th ed.)
Heslep, Robert D. Philosophical Thinking in Educational Practice. Praeger, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.