Kusumawati, Nita; Santoso, Agus Budi; Sianita, Maria Monica; Muslim, Supari (2017). «Extraction, Characterization and Application of Natural Dyes from the Fresh Mangosteen (Garcinia mangostana L.) Peel» (στα αγγλικά). International Journal on Advanced Science, Engineering and Information Technology7 (3): 878. doi:10.18517/ijaseit.7.3.1014.