penelitian dengan menggunakan metode pengumpulan sumber data untuk mendapatkan informasi dari beberapa perpustakaan dan salah satunya di perpustakaan UNPI dengan mengumpulkan beberapa buku yang mengenai teori-teori sastra.
research by using the data source collection method to obtain information from several libraries and one in the library by collecting a few UNPI book about literary theories.
research using the method of collection of data sources to obtain information from multiple libraries and one in the library UNPI by collecting several books on literary theories.