Gaya APA
Prosedur Penelitian. (2002).
Jakarta:
Rineka Cipta.
Gaya Chicago
Prosedur Penelitian.
ed. Revisi V.
Jakarta:
Rineka Cipta,
2002.
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Gaya MLA
Prosedur Penelitian.
ed. Revisi V.
Jakarta:
Rineka Cipta,
2002.
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Gaya Turabian
Prosedur Penelitian.
Jakarta:
Rineka Cipta,
2002.
.