Gaya APA
Encyclopedia of careers and vocational guidance. (2008).
New York:
Ferguson.
Gaya Chicago
Encyclopedia of careers and vocational guidance.
.
New York:
Ferguson,
2008.
CD Buku.
Gaya MLA
Encyclopedia of careers and vocational guidance.
.
New York:
Ferguson,
2008.
CD Buku.
Gaya Turabian
Encyclopedia of careers and vocational guidance.
New York:
Ferguson,
2008.
CD Buku.