Valencia, E. (1990). Jules Calagui: A different perspective. Philippine Collegian.
Cita Chicago (17th ed.)Valencia, Ellecer. "Jules Calagui: A Different Perspective." Philippine Collegian 1990.
Cita MLA (9th ed.)Valencia, Ellecer. "Jules Calagui: A Different Perspective." Philippine Collegian, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.