APA استشهاد

Longhurst, R. (1973). Geometrical & physical optics (3rd ed.). Orient Longman.

استشهاد بنمط شيكاغو

Longhurst, R.S. Geometrical & Physical Optics. 3rd ed. New Delhi: Orient Longman, 1973.

MLA استشهاد

Longhurst, R.S. Geometrical & Physical Optics. 3rd ed. Orient Longman, 1973.