Gaya APA
Studies in speech and drama. (1968).
New York:
.
Gaya Chicago
Studies in speech and drama.
cet.2.
New York:
,
1968.
.
Gaya MLA
Studies in speech and drama.
cet.2.
New York:
,
1968.
.
Gaya Turabian
Studies in speech and drama.
New York:
,
1968.
.