Gaya APA
Ningrum, A, S, B. (2012).
scafffolding strategi:In The Process of Writing To Improve The Students'Writing Ability (Cet.1).
Jakarta:
Kementrian Agama RI.
Gaya MLA
Ningrum, Ary, Setya, Budhi.
"scafffolding strategi:In The Process of Writing To Improve The Students'Writing Ability".
Cet.1
Jakarta:
Kementrian Agama RI,
2012.
Text.