APA استشهاد

Paul,, C. e. a. (1997). Introduction to electromagnetic fields (3rd.). Mc Graw Hill.

استشهاد بنمط شيكاغو

Paul,, Clayton et. al. Introduction to Electromagnetic Fields. 3rd. New York: Mc Graw Hill, 1997.

MLA استشهاد

Paul,, Clayton et. al. Introduction to Electromagnetic Fields. 3rd. Mc Graw Hill, 1997.