Velasco, M. T. H., Moran, A. G., Sison, J. C., & Flor, A. G. (2005). Communication of scientific and technical information. University of the Philippines Open University.
Chicago-viite (17. p.)Velasco, Ma. Theresa H., Antonio G. Moran, Josephine C. Sison, ja Alexander G. Flor. Communication of Scientific and Technical Information. Diliman, Quezon City: University of the Philippines Open University, 2005.
MLA-viite (9. p.)Velasco, Ma. Theresa H., et al. Communication of Scientific and Technical Information. University of the Philippines Open University, 2005.
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