Esmao, J. (2003). Levels of awareness and understanding of policy-makers on laws and policies relevant to fisheries and the environment and their degrees of concern in addressing environmental issues in Western Visayas. University of the Philippines Visayas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Esmao, Jessica. Levels of Awareness and Understanding of Policy-makers on Laws and Policies Relevant to Fisheries and the Environment and Their Degrees of Concern in Addressing Environmental Issues in Western Visayas. Miagao, Iloilo, Philippines: University of the Philippines Visayas, 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Esmao, Jessica. Levels of Awareness and Understanding of Policy-makers on Laws and Policies Relevant to Fisheries and the Environment and Their Degrees of Concern in Addressing Environmental Issues in Western Visayas. University of the Philippines Visayas, 2003.