Παραπομπή APA

O' Malley, R. (1997). Thinking about ordinary differential equations. University Press.

Παραπομπή Chicago Style

O' Malley, Robert. Thinking About Ordinary Differential Equations. Cambridge: University Press, 1997.

Παραπομπή MLA

O' Malley, Robert. Thinking About Ordinary Differential Equations. University Press, 1997.