Cita APA

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

Citación estilo Chicago

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

Cita MLA

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