Shamsul Hoq and others. (1968). Course of higher trigonometry. Muslim Book Agency.
Citace podle Chicago (17th ed.)Shamsul Hoq and others. Course of Higher Trigonometry. Dacca: Muslim Book Agency, 1968.
Citace podle MLA (9th ed.)Shamsul Hoq and others. Course of Higher Trigonometry. Muslim Book Agency, 1968.
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