Gaya APA
ALLen, Robert. (2002).
Punctuation : One Step Ahead .
New York:
Library of Congress Cataloging in Publication Data.
Gaya Chicago
ALLen, Robert.
Punctuation : One Step Ahead.
New York:
Library of Congress Cataloging in Publication Data,
2002.
Text.
Gaya MLA
ALLen, Robert.
Punctuation : One Step Ahead.
New York:
Library of Congress Cataloging in Publication Data,
2002.
Text.
Gaya Turabian
ALLen, Robert.
Punctuation : One Step Ahead.
New York:
Library of Congress Cataloging in Publication Data,
2002.
Print.