Gaya APA
Yorkey, Richard C., Ney, James W.. (1978).
ENGLISH FOR INTERNATION AL COMMINUCATION .
United States of America:
Litton Educational Publishing.
Gaya Chicago
Yorkey, Richard C., Ney, James W..
ENGLISH FOR INTERNATION AL COMMINUCATION.
United States of America:
Litton Educational Publishing,
1978.
Text.
Gaya MLA
Yorkey, Richard C., Ney, James W..
ENGLISH FOR INTERNATION AL COMMINUCATION.
United States of America:
Litton Educational Publishing,
1978.
Text.
Gaya Turabian
Yorkey, Richard C., Ney, James W..
ENGLISH FOR INTERNATION AL COMMINUCATION.
United States of America:
Litton Educational Publishing,
1978.
Print.