Gaya APA
Young people tough problems. (2002).
New York:
Barron\'s Educational.
Gaya Chicago
Young people tough problems.
.
New York:
Barron\'s Educational,
2002.
Buku.
Gaya MLA
Young people tough problems.
.
New York:
Barron\'s Educational,
2002.
Buku.
Gaya Turabian
Young people tough problems.
New York:
Barron\'s Educational,
2002.
Buku.