Ayres, F. J. (1954). Theory and problems of plane and spherical trigonometry.
Chicago Edition CitationAyres, Frank Jr. Theory and Problems of Plane and Spherical Trigonometry. 1954.
MLA Edition CitationAyres, Frank Jr. Theory and Problems of Plane and Spherical Trigonometry. 1954.
Warning: These citations may not always be 100% accurate.