Sales, A. (2001). Globalization wrecks local grape growers. IN Sales talk [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Sales, Arthur. "Globalization Wrecks Local Grape Growers. IN Sales Talk [column]." Manila Bulletin 2001.
MLA-referens (9:e uppl.)Sales, Arthur. "Globalization Wrecks Local Grape Growers. IN Sales Talk [column]." Manila Bulletin, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.