Gaya APA
International Telecommunication System: Handbook, Vol.1 Basic Information, Telecom Market Development. (2009).
Washington DC:
International Business Publications.
Gaya Chicago
International Telecommunication System: Handbook, Vol.1 Basic Information, Telecom Market Development.
.
Washington DC:
International Business Publications,
2009.
Monograf.
Gaya MLA
International Telecommunication System: Handbook, Vol.1 Basic Information, Telecom Market Development.
.
Washington DC:
International Business Publications,
2009.
Monograf.
Gaya Turabian
International Telecommunication System: Handbook, Vol.1 Basic Information, Telecom Market Development.
Washington DC:
International Business Publications,
2009.
Monograf.