Gaya APA
Pradopo, R, D.
(2002).
Metodologi Penelitian Sastra
.
Yogyakarta:
Hanindito Graha Widya.
Gaya MLA
Pradopo, Rachmat, Djoko.
"Metodologi Penelitian Sastra".
Yogyakarta:
Hanindito Graha Widya,
2002.
Text.