(2018). An outline of english transformational grammar (Cetakan pertama, 2018.). Medan: Sastra UISU Press.
Chicago Style CitationAn Outline of English Transformational Grammar. Cetakan pertama, 2018. Medan: Sastra UISU Press, 2018.
MLA CitationAn Outline of English Transformational Grammar. Cetakan pertama, 2018. Medan: Sastra UISU Press, 2018.
Warning: These citations may not always be 100% accurate.