Gaya APA
McKenna, L.
(August 25, 2014).
Sang Koboi Terakhir---The Last Cowboy
.
Jakara:
PT Gramedia.
Gaya MLA
McKenna, Lindsay.
"Sang Koboi Terakhir---The Last Cowboy".
Jakara:
PT Gramedia,
August 25, 2014.
Text.