APA način citiranja (7. izdanje)

OPEN UNIVERSITY. (1980). CASE STUDY STANDARD TELEPHONES AND CABLES. OPEN UNIVERSITY PRESS.

Čikaški stil citiranja (17. izdanje)

OPEN UNIVERSITY. CASE STUDY STANDARD TELEPHONES AND CABLES. MILTON KEYNES: OPEN UNIVERSITY PRESS, 1980.

MLA način citiranja (9. izdanje)

OPEN UNIVERSITY. CASE STUDY STANDARD TELEPHONES AND CABLES. OPEN UNIVERSITY PRESS, 1980.