Perez, R. P. (1999). Lor Calma: Young sculptor in his 70's. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Perez, Rod Paras. "Lor Calma: Young Sculptor in His 70's." Philippine Daily Inquirer 1999.
MLA-referens (9:e uppl.)Perez, Rod Paras. "Lor Calma: Young Sculptor in His 70's." Philippine Daily Inquirer, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.