Gaya APA
Pratiwy, D. (2005).
Modality as a research data in Linguistic Analysis (Vol. 5, No. 2/ Oktober 2005).
Medan:
Fakultas Sastra Universitas Islam Sumatera Utara.
Gaya MLA
Pratiwy, Devi.
"Modality as a research data in Linguistic Analysis".
Vol. 5, No. 2/ Oktober 2005
Medan:
Fakultas Sastra Universitas Islam Sumatera Utara,
2005.
Art Original.