Cita APA (7th ed.)

Obal, M. R., & Dorado, D. A. D. (2015). An economic valuation of Marikina City library using revealed preference methods.

Cita Chicago (17th ed.)

Obal, Manilyn R., i Dan Anthony D. Dorado. An Economic Valuation of Marikina City Library Using Revealed Preference Methods. Quezon City : School of Library and Information Studies, University of the Philippines Diliman, 2015.

Cita MLA (9th ed.)

Obal, Manilyn R., i Dan Anthony D. Dorado. An Economic Valuation of Marikina City Library Using Revealed Preference Methods. 2015.