Gaya APA
Rainville, E, D., Bedient, P, E. (1969).
Elementary differential equations. Fourth Edition (1969).
:
New York : The Macmillan Company,.
Gaya MLA
Rainville, Earl, D., Bedient, Phillip, E.
"Elementary differential equations. Fourth Edition".
1969
:
New York : The Macmillan Company,,
1969.
Text.