APA引文

E D Tittel Steve James. (1995). ISDN networking essentials. AP proffessional.

Chicago Edition Citation

E D Tittel Steve James. ISDN Networking Essentials. MA: AP proffessional, 1995.

MLA引文

E D Tittel Steve James. ISDN Networking Essentials. AP proffessional, 1995.

警告：这些引文格式不一定是100％准确.