APA Style
LADO, Robert. ().
LADO English Series 5: Unit 3 & 4 .
:
Singapore: Prentice Hall Regents, 1990.
Chicago Style
LADO, Robert.
LADO English Series 5: Unit 3 & 4.
:
Singapore: Prentice Hall Regents, 1990,
.
.
MLA Style
LADO, Robert.
LADO English Series 5: Unit 3 & 4.
:
Singapore: Prentice Hall Regents, 1990,
.
.
Turabian Style
LADO, Robert.
LADO English Series 5: Unit 3 & 4.
:
Singapore: Prentice Hall Regents, 1990,
.
.