-. (2017). The 1st English Letters Undergraduate Conference 8th August 2017. English Letters Department Sanata Dharma University Yogyakarta Indonesia.
Chicago Style (17th ed.) Citation-. The 1st English Letters Undergraduate Conference 8th August 2017. English Letters Department Sanata Dharma University Yogyakarta Indonesia, 2017.
MLA (8th ed.) Citation-. The 1st English Letters Undergraduate Conference 8th August 2017. English Letters Department Sanata Dharma University Yogyakarta Indonesia, 2017.
Warning: These citations may not always be 100% accurate.