Penggayaan APA
GREENBERG, Judith E.. (1998).
Young people's letters to the president .
New York:
Grolier.
Chicago Style
GREENBERG, Judith E..
Young people's letters to the president.
New York:
Grolier,
1998.
Buku.
MLA Style
GREENBERG, Judith E..
Young people's letters to the president.
New York:
Grolier,
1998.
Buku.
Turabian Style
GREENBERG, Judith E..
Young people's letters to the president.
New York:
Grolier,
1998.
Buku.