National Science Council of Sri Lanka, Max Mueller Bhavan, & Abeywickrama, B. A. (1976). A Seminar discussion on man & his environment. The Council.
Citace podle Chicago (17th ed.)National Science Council of Sri Lanka, Max Mueller Bhavan, a B. A. Abeywickrama. A Seminar Discussion on Man & His Environment. Colombo: The Council, 1976.
Citace podle MLA (8th ed.)National Science Council of Sri Lanka, et al. A Seminar Discussion on Man & His Environment. The Council, 1976.
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