APA استشهاد

Smale, P. H. (1983). Telecommunication systems (2.).

استشهاد بنمط شيكاغو

Smale, P H. Telecommunication Systems. 2. Wheeler Publishers, Allahabad, 1983.

MLA استشهاد

Smale, P H. Telecommunication Systems. 2. 1983.