Gaya APA
Roe, Peter. (1977).
English for International Co-Operantion (1976).
London:
british broadcasting corporation.
Gaya Chicago
Roe, Peter.
English for International Co-Operantion.
1976
London:
british broadcasting corporation,
1977.
Text.
Gaya MLA
Roe, Peter.
English for International Co-Operantion.
1976
London:
british broadcasting corporation,
1977.
Text.
Gaya Turabian
Roe, Peter.
English for International Co-Operantion.
1976
London:
british broadcasting corporation,
1977.
Print.