APA (7th ed.) Zitazioa

LANGER, R. E. (1954). First course in ordinary differen-: Tial equations. John Wiley.

Chicago Style (17th ed.) Zitazioa

LANGER, Rudolph E. First Course in Ordinary Differen-: Tial Equations. New York: John Wiley, 1954.

MLA (9th ed.) Zitazioa

LANGER, Rudolph E. First Course in Ordinary Differen-: Tial Equations. John Wiley, 1954.