Calderon, J. F. (1998). Principles and practices of teaching. Great Books Trading.
Lua i Stíl Chicago (17ú heag.)Calderon, Jose F. Principles and Practices of Teaching. Quezon City: Great Books Trading, 1998.
Lua MLA (9ú heag.)Calderon, Jose F. Principles and Practices of Teaching. Great Books Trading, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.