Carslaw, H. S. (1948). Plane trigonometry: An elementary text-book ror the higher classes of secondary schools and for colleges (3rd ed. Repr.). Macmillan and Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Carslaw, H. S. Plane Trigonometry: An Elementary Text-book Ror the Higher Classes of Secondary Schools and for Colleges. 3rd ed. Repr. London: Macmillan and Co., 1948.
Παραπομπή σε μορφή MLA (9th εκδ.)Carslaw, H. S. Plane Trigonometry: An Elementary Text-book Ror the Higher Classes of Secondary Schools and for Colleges. 3rd ed. Repr. Macmillan and Co., 1948.
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