APA (7th ed.) Citation

(1987). Sonderdrucke 1985 System 12, ISDN, B-ISDN. SEL.

Chicago Style (17th ed.) Citation

Sonderdrucke 1985 System 12, ISDN, B-ISDN. Stuttgart: SEL, 1987.

MLA (9th ed.) Citation

Sonderdrucke 1985 System 12, ISDN, B-ISDN. SEL, 1987.

Warning: These citations may not always be 100% accurate.