APA-ийн эшлэл(7 дахь хэвлэлт)

KENNEDY GEORGE. (1999). ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

KENNEDY GEORGE. ELECTRONIC COMMUNICATION SYSTEMS 4TH ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1999.