APA Style
M.Pd, P, D, H, M. (2011).
The effect of using mobile phone in short message form in learning writing at SMK PGRI 1 Tuban academic year 2010/2011 .
Tuban:
Unirow.
MLA Style
M.Pd, Prof., Dr., H.E., Mulyasa,.
"The effect of using mobile phone in short message form in learning writing at SMK PGRI 1 Tuban academic year 2010/2011".
Tuban:
Unirow,
2011.
e-book.