Saamong, C., & Monzon, H. (2021). Si kuya at ako. Department of Sciece and Technology (DOST)- Science Education Institute.
Chicago-viite (17. p.)Saamong, Charla, ja Harry Monzon. Si Kuya at Ako. Taguig City: Department of Sciece and Technology (DOST)- Science Education Institute, 2021.
MLA-viite (9. p.)Saamong, Charla, ja Harry Monzon. Si Kuya at Ako. Department of Sciece and Technology (DOST)- Science Education Institute, 2021.
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