Gaya APA
LADO, Robert. (1989).
Lado english series .
New York:
Prentice Hall Regent.
Gaya Chicago
LADO, Robert.
Lado english series.
New York:
Prentice Hall Regent,
1989.
Text.
Gaya MLA
LADO, Robert.
Lado english series.
New York:
Prentice Hall Regent,
1989.
Text.
Gaya Turabian
LADO, Robert.
Lado english series.
New York:
Prentice Hall Regent,
1989.
Print.