Kumara, B. L. R. R. (2007). Civics and governance: Grade 10, teacher's instructional manual. Dep. of Social Sciences, National Inst. of Education.
Citazione stile Chigago Style (17a edizione)Kumara, B. L. R. Rohana. Civics and Governance: Grade 10, Teacher's Instructional Manual. [Colombo]: Dep. of Social Sciences, National Inst. of Education, 2007.
Citatione MLA (9a ed.)Kumara, B. L. R. Rohana. Civics and Governance: Grade 10, Teacher's Instructional Manual. Dep. of Social Sciences, National Inst. of Education, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.