APA Style
Graham, Ian. (2005).
Ruang Angkasa .
United Kingdom:
Erlangga.
Chicago Style
Graham, Ian.
Ruang Angkasa.
United Kingdom:
Erlangga,
2005.
.
MLA Style
Graham, Ian.
Ruang Angkasa.
United Kingdom:
Erlangga,
2005.
.
Turabian Style
Graham, Ian.
Ruang Angkasa.
United Kingdom:
Erlangga,
2005.
.