Gaya APA
Chairman of the board: A Practical guide. (2002).
New Jersey:
John Wiley & Son.
Gaya Chicago
Chairman of the board: A Practical guide.
.
New Jersey:
John Wiley & Son,
2002.
Buku.
Gaya MLA
Chairman of the board: A Practical guide.
.
New Jersey:
John Wiley & Son,
2002.
Buku.
Gaya Turabian
Chairman of the board: A Practical guide.
New Jersey:
John Wiley & Son,
2002.
Buku.