Wanigaratne, R. D. (1975). A study of communication flow in selected villages in Sri Lanka: Case study. Agrarian Research and Training Institute.
Citação do estilo Chicago (17ª ed.)Wanigaratne, R. D. A Study of Communication Flow in Selected Villages in Sri Lanka: Case Study. Colombo: Agrarian Research and Training Institute, 1975.
Citação MLA (8ª ed.)Wanigaratne, R. D. A Study of Communication Flow in Selected Villages in Sri Lanka: Case Study. Agrarian Research and Training Institute, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.