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