Silva, R., & Guruge, A. W. P. (1998). The safeguarding of the cultural triangle of Sri Lanka: Steady progress and future prospects. Central Cultural Fund, Ministry of Cultural Affairs.
Citace podle Chicago (17th ed.)Silva, Roland, a Ananda W. P. Guruge. The Safeguarding of the Cultural Triangle of Sri Lanka: Steady Progress and Future Prospects. Colombo: Central Cultural Fund, Ministry of Cultural Affairs, 1998.
Citace podle MLA (9th ed.)Silva, Roland, a Ananda W. P. Guruge. The Safeguarding of the Cultural Triangle of Sri Lanka: Steady Progress and Future Prospects. Central Cultural Fund, Ministry of Cultural Affairs, 1998.
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