Cita APA (7th ed.)

Calderon, J. F. (1998). Principles and practices of teaching. Great Books Trading.

Cita Chicago (17th ed.)

Calderon, Jose F. Principles and Practices of Teaching. Quezon City: Great Books Trading, 1998.

Cita MLA (9th ed.)

Calderon, Jose F. Principles and Practices of Teaching. Great Books Trading, 1998.