Citazione APA

Ayers, F. (1954). Theory and problems of plane and spherical trignometry. McGraw-Hill.

Stile di citazione Chicago

Ayers, Frank. Theory and Problems of Plane and Spherical Trignometry. New york: McGraw-Hill, 1954.

Citazione MLA

Ayers, Frank. Theory and Problems of Plane and Spherical Trignometry. McGraw-Hill, 1954.