Gaya APA

Brauer, F, &, N, J, A. (1968). Problems and Solution in Ordinary Differential Equations . New York: W. A. Benjamin, Inc..

Gaya MLA

Brauer, Fred, &, Nohel,, John, A.. "Problems and Solution in Ordinary Differential Equations". New York: W. A. Benjamin, Inc., 1968. Text.