Gaya APA
Ridwan, Zainur. (2012).
The book of codes .
Jakarta:
Salsabila.
Gaya Chicago
Ridwan, Zainur.
The book of codes.
Jakarta:
Salsabila,
2012.
Buku.
Gaya MLA
Ridwan, Zainur.
The book of codes.
Jakarta:
Salsabila,
2012.
Buku.
Gaya Turabian
Ridwan, Zainur.
The book of codes.
Jakarta:
Salsabila,
2012.
Buku.