Gaya APA
Problems and solutions in ordinary differential equations. (1986).
New York:
W.A. Benjamin.
Gaya Chicago
Problems and solutions in ordinary differential equations.
.
New York:
W.A. Benjamin,
1986.
Buku.
Gaya MLA
Problems and solutions in ordinary differential equations.
.
New York:
W.A. Benjamin,
1986.
Buku.
Gaya Turabian
Problems and solutions in ordinary differential equations.
New York:
W.A. Benjamin,
1986.
Buku.