Licauco, J. T. (2014). An expanded approach to study of ET contacts (part 2). Philippine Graphic.
Cita Chicago (17th ed.)Licauco, Jaime T. "An Expanded Approach to Study of ET Contacts (part 2)." Philippine Graphic 2014.
Cita MLA (9th ed.)Licauco, Jaime T. "An Expanded Approach to Study of ET Contacts (part 2)." Philippine Graphic, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.