Gaya APA
The penguin book of twentieth century speeches. (1999).
London:
Pinguin.
Gaya Chicago
The penguin book of twentieth century speeches.
.
London:
Pinguin,
1999.
Text.
Gaya MLA
The penguin book of twentieth century speeches.
.
London:
Pinguin,
1999.
Text.
Gaya Turabian
The penguin book of twentieth century speeches.
London:
Pinguin,
1999.
Print.