Cita APA (7th ed.)

BOYCE WILLIAM E. (2001). ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED (7TH ED.). JOHN WILEY & SONS, INC.

Cita Chicago (17th ed.)

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. NEW YORK: JOHN WILEY & SONS, INC, 2001.

Cita MLA (9th ed.)

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. JOHN WILEY & SONS, INC, 2001.