Gaya APA
BRANNAN, J., BOYCE, W, E. (2011).
Differential Equations with Boundary Value Problems: Modern Methods and Applications (2).
New Jersey:
Wiley .
Gaya MLA
BRANNAN, James., BOYCE, William, E.
"Differential Equations with Boundary Value Problems: Modern Methods and Applications".
2
New Jersey:
Wiley ,
2011.
Printed.