De Guzman, S. A. (1998). Putting the office system into your home. IN House-smart [column]. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)De Guzman, Susan A. "Putting the Office System into Your Home. IN House-smart [column]." Philippine Daily Inquirer 1998.
MLA-referens (9:e uppl.)De Guzman, Susan A. "Putting the Office System into Your Home. IN House-smart [column]." Philippine Daily Inquirer, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.