Metcalf, Michael, author
Oxford University Press , 1990
Buku Teks
Metcalf, Michael, author
Clarendon Press , 1985
Buku Teks
Rice, John K., author
Holt, Rinehart and Winston , 1973
Buku Teks
Page, Clive, author
Elex Media Komputindo, 1988
Buku Teks
Page, Clive, author
Elex Media Komputindo, 1988
Buku Teks