Velasco, M. T. H., Sison, J. C., Moran, A. G., & Flor, A. G. (2005). Communication of scientific and technical information. University of the Philippines Open University.
Cita Chicago (17th ed.)Velasco, Ma. Theresa H., Josephine C. Sison, Antonio G. Moran, i Alexander G. Flor. Communication of Scientific and Technical Information. Quezon City, Philippines: University of the Philippines Open University, 2005.
Cita MLA (9th ed.)Velasco, Ma. Theresa H., et al. Communication of Scientific and Technical Information. University of the Philippines Open University, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.