Gaya APA
Waluyo, S.
(2011).
An Introduction To Ordinary Diffrential Equations
(
Cet. 1)
.
Semarang:
Unnes Press.
Gaya MLA
Waluyo, S.B..
"An Introduction To Ordinary Diffrential Equations".
Cet. 1
Semarang:
Unnes Press,
2011.
Text.