Estigoy, C. J., Sison, J. C., & Yang, J. V. (1999). Reading habits, interests and information needs of users of the Palayan City Public Library and Information Center with implications for strengthening its information services.

Estigoy, Consuelo J., Josephine C. Sison, и Jackson V. Yang. Reading Habits, Interests and Information Needs of Users of the Palayan City Public Library and Information Center with Implications for Strengthening Its Information Services. Quezon City : Institute of Library Science, University of the Philippines Diliman, 1999.

Estigoy, Consuelo J., et al. Reading Habits, Interests and Information Needs of Users of the Palayan City Public Library and Information Center with Implications for Strengthening Its Information Services. 1999.