University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, Agad, M. L., Mondigo, L., & Mejia, I. P. (2012). Shadow and eclipses. DZUP.
Citace podle Chicago (17th ed.)University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, Ma. Lourdes Agad, Lolita Mondigo, a Ivy P. Mejia. Shadow and Eclipses. Quezon City: DZUP, 2012.
Citace podle MLA (9th ed.)University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, et al. Shadow and Eclipses. DZUP, 2012.
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