Gaya APA
Graham, Ian. (1996).
Alam Semesta .
:
Quality Press.
Gaya Chicago
Graham, Ian.
Alam Semesta.
:
Quality Press,
1996.
Non-fiction.
Gaya MLA
Graham, Ian.
Alam Semesta.
:
Quality Press,
1996.
Non-fiction.
Gaya Turabian
Graham, Ian.
Alam Semesta.
:
Quality Press,
1996.
Non-fiction.