APA Style
THE VIRTUAL REFERENCE DESKK. (2004).
new york:
NEAL-SCHUMAN PUBLISHERS,INC.
Chicago Style
THE VIRTUAL REFERENCE DESKK.
.
new york:
NEAL-SCHUMAN PUBLISHERS,INC,
2004.
Buku Teks.
MLA Style
THE VIRTUAL REFERENCE DESKK.
.
new york:
NEAL-SCHUMAN PUBLISHERS,INC,
2004.
Buku Teks.
Turabian Style
THE VIRTUAL REFERENCE DESKK.
new york:
NEAL-SCHUMAN PUBLISHERS,INC,
2004.
Buku Teks.