Ayers, F. (1954). Theory and problems of plane and spherical trignometry. McGraw-Hill.
Chicago Edition CitationAyers, Frank. Theory and Problems of Plane and Spherical Trignometry. New york: McGraw-Hill, 1954.
MLA Edition CitationAyers, Frank. Theory and Problems of Plane and Spherical Trignometry. McGraw-Hill, 1954.
Warning: These citations may not always be 100% accurate.