APA引文

Kells, L. M. (1965). Elementary differential equations (Ed.6.). Mc Graw - Hill.

Chicago Edition Citation

Kells, Lyman M. Elementary Differential Equations. Ed.6. New Delhi: Mc Graw - Hill, 1965.

MLA引文

Kells, Lyman M. Elementary Differential Equations. Ed.6. Mc Graw - Hill, 1965.

警告：這些引文格式不一定是100％准確.