Gaya APA
Ratna, . (2004).
Error Analysis In Conditional Sestence (A Case Studi at Briton English Education) .
Makassar:
Fak. Sastra 45 Makassar.
Gaya MLA
Ratna, .
"Error Analysis In Conditional Sestence (A Case Studi at Briton English Education)".
Makassar:
Fak. Sastra 45 Makassar,
2004.
Text.