Gaya APA
Khairandy, R., Widiyastrisna, C. (2009).
Monopoli industri jasa telepon seluler di Indonesia .
Yogyakarta:
Total Media.
Gaya MLA
Khairandy, Ridwan., Widiyastrisna, Cenuk.
"Monopoli industri jasa telepon seluler di Indonesia".
Yogyakarta:
Total Media,
2009.
Text.