Berry, T. M. (1999). The great work: Our way into the future. Bell Tower.
Chicago Style (17th ed.) CitationBerry, Thomas Mary. The Great Work: Our Way into the Future. New York: Bell Tower, 1999.
Cita MLABerry, Thomas Mary. The Great Work: Our Way into the Future. Bell Tower, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.