Gaya APA
Beaton, G., H. et al. (2008).
Fundamentals of Differential Equations and Boundary Value Problems (Kelima).
Boston:
Pearson Addison Wesle.
Gaya MLA
Beaton, G., H. et al..
Fundamentals of Differential Equations and Boundary Value Problems.
Kelima
Boston:
Pearson Addison Wesle,
2008.
Text.