Gaya APA
Theory and Problems Of Punctuation. (1977).
New York:
.
Gaya Chicago
Theory and Problems Of Punctuation.
.
New York:
,
1977.
Text.
Gaya MLA
Theory and Problems Of Punctuation.
.
New York:
,
1977.
Text.
Gaya Turabian
Theory and Problems Of Punctuation.
New York:
,
1977.
Print.