Gaya APA
Lado, Robert. (1978).
Lado English Series Workbook 4 .
Jakarta:
PT Indira.
Gaya Chicago
Lado, Robert.
Lado English Series Workbook 4.
Jakarta:
PT Indira,
1978.
Text.
Gaya MLA
Lado, Robert.
Lado English Series Workbook 4.
Jakarta:
PT Indira,
1978.
Text.
Gaya Turabian
Lado, Robert.
Lado English Series Workbook 4.
Jakarta:
PT Indira,
1978.
Print.