APA (7th ed.) Citation

Roberts, S. (1999). Essential JTAPI: Java telephony API : design telecom projects with Java. Prentice Hall PTR.

Chicago Style (17th ed.) Citation

Roberts, Spencer. Essential JTAPI: Java Telephony API : Design Telecom Projects with Java. Upper Saddle River, N.J: Prentice Hall PTR, 1999.

MLA (9th ed.) Citation

Roberts, Spencer. Essential JTAPI: Java Telephony API : Design Telecom Projects with Java. Prentice Hall PTR, 1999.

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