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.