Gaya APA
The Gregg Reference Manual. (sa).
New York:
Mc Graw Hill.
Gaya Chicago
The Gregg Reference Manual.
9th.
New York:
Mc Graw Hill,
sa.
Buku.
Gaya MLA
The Gregg Reference Manual.
9th.
New York:
Mc Graw Hill,
sa.
Buku.
Gaya Turabian
The Gregg Reference Manual.
New York:
Mc Graw Hill,
sa.
Buku.