APA-viite (7. p.)

LEIGHTON, W. (1981). A first course in ordinary differential wquations.-- ed5. Wadsworth pub.

Chicago-viite (17. p.)

LEIGHTON, Walter. A First Course in Ordinary Differential Wquations.-- Ed5. California: Wadsworth pub, 1981.

MLA-viite (9. p.)

LEIGHTON, Walter. A First Course in Ordinary Differential Wquations.-- Ed5. Wadsworth pub, 1981.