University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, Agad, M. L., Mondigo, L., & Punzalan, A. E. (2012). Coffee and chocolate. DZUP.
Chicago-referens (17:e uppl.)University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, Maria Lourdes Agad, Lolita Mondigo, och Amelia E. Punzalan. Coffee and Chocolate. Quezon City: DZUP, 2012.
MLA-referens (9:e uppl.)University of the Philippines Diliman. National Institutes for Science and Mathematics Education Development, et al. Coffee and Chocolate. DZUP, 2012.
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