Harper, B. L. (1999). Preservation versus property rights. IN Sense and sensibility [column]. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Harper, Bambi Lammoglia. "Preservation Versus Property Rights. IN Sense and Sensibility [column]." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Harper, Bambi Lammoglia. "Preservation Versus Property Rights. IN Sense and Sensibility [column]." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.