APA

Richard O) ; Hestenes (D.Marshall) & Hill, .Algebra And Trigonometry. : .

Chicago

Richard O) ; Hestenes (D.Marshall) & Hill, .Algebra And Trigonometry. : .

Harvard

Richard O) ; Hestenes (D.Marshall) & Hill, .Algebra And Trigonometry. : .

MLA

Richard O) ; Hestenes (D.Marshall) & Hill, .: . .