APA Style
prosedur penelitian. (2013).
Jakarta:
Rineka Cipta.
Chicago Style
prosedur penelitian.
Cet.15.
Jakarta:
Rineka Cipta,
2013.
buku teks.
MLA Style
prosedur penelitian.
Cet.15.
Jakarta:
Rineka Cipta,
2013.
buku teks.
Turabian Style
prosedur penelitian.
Jakarta:
Rineka Cipta,
2013.
buku teks.