Styl cytowania APA

Halsall, F. . .. (1996). Data communications,computer networks and open systems (4.). Pearson Education.

Styl cytowania Chicago

Halsall, Fred. Data Communications,computer Networks and Open Systems. 4. New Delhi: Pearson Education, 1996.

Styl cytowania MLA

Halsall, Fred. Data Communications,computer Networks and Open Systems. 4. Pearson Education, 1996.