Gaya APA
Cotton, David, Robbins, Sue. (2001).
Business Class .
England:
LONGMAN.
Gaya Chicago
Cotton, David, Robbins, Sue.
Business Class.
England:
LONGMAN,
2001.
.
Gaya MLA
Cotton, David, Robbins, Sue.
Business Class.
England:
LONGMAN,
2001.
.
Gaya Turabian
Cotton, David, Robbins, Sue.
Business Class.
England:
LONGMAN,
2001.
.