Gaya APA
Herrlitz, Wolfgang. (2010).
Ebook English : English for Professional and Academic Purposes .
NewYork USA:
Rodopi.
Gaya Chicago
Herrlitz, Wolfgang.
Ebook English : English for Professional and Academic Purposes.
NewYork USA:
Rodopi,
2010.
.
Gaya MLA
Herrlitz, Wolfgang.
Ebook English : English for Professional and Academic Purposes.
NewYork USA:
Rodopi,
2010.
.
Gaya Turabian
Herrlitz, Wolfgang.
Ebook English : English for Professional and Academic Purposes.
NewYork USA:
Rodopi,
2010.
.