Cita APA (7th ed.)

LAPWOOD, E. (1968). Ordinary differential equations. Pergamon.

Cita Chicago (17th ed.)

LAPWOOD, E.R. Ordinary Differential Equations. Oxford: Pergamon, 1968.

Cita MLA (9th ed.)

LAPWOOD, E.R. Ordinary Differential Equations. Pergamon, 1968.