Gaya APA
, ., Dubicka, I. (2006).
Market leader : advanced business English, Teacher's resource book .
Harlow:
Harlow : Longman , 2006.
Gaya MLA
, ., Dubicka, Iwonna.
"Market leader : advanced business English, Teacher's resource book".
Harlow:
Harlow : Longman , 2006,
2006.
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