Gaya APA
ENCYCLOPEDIA AMERICANA VOLUME 30. (1978).
U.S.A.:
Library of Congress Cataloging in Publication Data.
Gaya Chicago
ENCYCLOPEDIA AMERICANA VOLUME 30.
.
U.S.A.:
Library of Congress Cataloging in Publication Data,
1978.
Text.
Gaya MLA
ENCYCLOPEDIA AMERICANA VOLUME 30.
.
U.S.A.:
Library of Congress Cataloging in Publication Data,
1978.
Text.
Gaya Turabian
ENCYCLOPEDIA AMERICANA VOLUME 30.
U.S.A.:
Library of Congress Cataloging in Publication Data,
1978.
Print.