APA-referens (7:e uppl.)

Estafia, J. C. A., & Abulad, R. E. (2012). Edith Stein on being human as grounded and supported by eternal being. Philippiniana Sacra.

Chicago-referens (17:e uppl.)

Estafia, Jose Conrado A., och Romualdo E. Abulad. "Edith Stein on Being Human as Grounded and Supported by Eternal Being." Philippiniana Sacra 2012.

MLA-referens (9:e uppl.)

Estafia, Jose Conrado A., och Romualdo E. Abulad. "Edith Stein on Being Human as Grounded and Supported by Eternal Being." Philippiniana Sacra, 2012.