APA استشهاد

Longhurst,R.S. (1957). Geometrical and physical optics (3rd.). Longman group.

استشهاد بنمط شيكاغو

Longhurst,R.S. Geometrical and Physical Optics. 3rd. India: Longman group, 1957.

MLA استشهاد

Longhurst,R.S. Geometrical and Physical Optics. 3rd. Longman group, 1957.