Gaya APA

Ayres, F. (1999). (E-BOOK Teknik Mesin) Theory and Problems of TrigonometryThird Edition WITH CALCULATOR-BASED SOLUTIONS . USA: McGraw- Hill.

Gaya MLA

Ayres, Frank. "(E-BOOK Teknik Mesin) Theory and Problems of TrigonometryThird Edition WITH CALCULATOR-BASED SOLUTIONS". USA: McGraw- Hill, 1999. Computer File.