For Web Sources: If I was using a particular website (instead of John Smith's book), the signal phrase would look exactly the same, but I would say According to Pocahontasrules.com....
CECOM is The Critical Link that ensures the global readiness of the complex, networked C4ISR systems and capabilities that provide our joint forces with the advanced information and technology they need to communicate on today's battlefield.
Digital Imaging and Communications in Medicine (DICOM) is a standard for storing and transmitting medical images. It includes a file format definition and a network communications protocol. The communication protocol is an application protocol that uses TCP/IP to communicate between systems.