Custodio, R.M. Si Alup, ang nawawalang kulay kuwento ni R.M. Custodio - Valenzuela City, Philippines : S.G.E. Publishing Inc., 2004. - [32] pages : with ill. ; 23 cm. With English translation. ISBN: 9713615832 Subjects--Topical Terms: Children stories, Philippines.Colors -- Juvenile fiction. Dewey Class. No.: Fil. 398.209599 C9875a 2004