Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Obal, Manilyn R., e 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.

Citatione MLA (9a ed.)

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