方守清 & 刘军杰. ISDN的现状和发展. Editorial Department of Journal on Communications.
Chicago Style (17th ed.) Citation方守清 and 刘军杰. ISDN的现状和发展. Editorial Department of Journal on Communications.
MLA (9th ed.) Citation方守清 and 刘军杰. ISDN的现状和发展. Editorial Department of Journal on Communications.
Warning: These citations may not always be 100% accurate.