Παραπομπή APA

Willig, J. T. (1995). Auditing for environmental quality leadership: Beyond compliance to environmental excellence. John Wiley.

Παραπομπή Chicago Style

Willig, John T. Auditing for Environmental Quality Leadership: Beyond Compliance to Environmental Excellence. New York: John Wiley, 1995.

Παραπομπή MLA

Willig, John T. Auditing for Environmental Quality Leadership: Beyond Compliance to Environmental Excellence. John Wiley, 1995.