Belarmino, B. A. P., Chan, C. C., Dy, J. A., Francisco, C. C., Go, M. S., & Sta. Maria, O. T. (1998). A study on the readership of a teen magazine and its competitive position. Animo Repository.

Belarmino, Barbara Ann P., Christine C. Chan, Jerwin A. Dy, Clara C. Francisco, Marvin S. Go, و Olivia T. Sta. Maria. A Study On the Readership of a Teen Magazine and Its Competitive Position. Animo Repository, 1998.

Belarmino, Barbara Ann P., et al. A Study On the Readership of a Teen Magazine and Its Competitive Position. Animo Repository, 1998.