?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Harfan&rft.aulast=Harfan&rft.au=Harfan%2C+Harfan&rft.inst=Universitas+Negeri+Padang&rft.title=Directive+Speech+Acts+and+Their+Violation+Used+by+Callers+in+Public+Corner+Program+at+Metro+TV&rft.degree=Bachelor%2FSkripsi&rft.date=2008