Gaya APA
The New book of knowledge vol.21 ( Index ). (2004).
Danbury:
Scholastic Library Publishing.
Gaya Chicago
The New book of knowledge vol.21 ( Index ).
~.
Danbury:
Scholastic Library Publishing,
2004.
Buku.
Gaya MLA
The New book of knowledge vol.21 ( Index ).
~.
Danbury:
Scholastic Library Publishing,
2004.
Buku.
Gaya Turabian
The New book of knowledge vol.21 ( Index ).
Danbury:
Scholastic Library Publishing,
2004.
Buku.