Gaya APA
Twombly, M. (2013).
Poster: Perintis Jalan: Bahtera Eksplorasi: National Geographic .
:
National Geographic Indonesia.
Gaya MLA
Twombly, Matthew.
"Poster: Perintis Jalan: Bahtera Eksplorasi: National Geographic".
:
National Geographic Indonesia,
2013.
Text.