Mahaputri, H, ;, R, A.(2021).Pengembangan Bahan Ajar Penulisan Karya Ilmiah (Academic Writing) Berbasis Systemic Functional Linguistics (SFL): Studi Design Based Research (DBR) .:Media Sains Indonesia.
Gaya MLA
Mahaputri, Hendriwanto, ;, Ratna, Andhika."Pengembangan Bahan Ajar Penulisan Karya Ilmiah (Academic Writing) Berbasis Systemic Functional Linguistics (SFL): Studi Design Based Research (DBR)".:Media Sains Indonesia,2021.Text.