Berry, H. A. (1965). Purchasing guide. Waterford, Connecticut: Prentice-Hall.
Chicago Style CitationBerry, Harold A. Purchasing Guide. Waterford, Connecticut: Prentice-Hall, 1965.
Cita MLABerry, Harold A. Purchasing Guide. Waterford, Connecticut: Prentice-Hall, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.