Gaya APA

Lutviani, Z. (2012). The Use of Twenty Questions Game to Improve Vocabulary Mastery of the Fifth Year Students at SDN Pucung Ngantru Tulungagung in Academic Year 2011/2012 . Tulungagung: STAIN Tulungagung.

Gaya MLA

Lutviani, Zunicke. "The Use of Twenty Questions Game to Improve Vocabulary Mastery of the Fifth Year Students at SDN Pucung Ngantru Tulungagung in Academic Year 2011/2012". Tulungagung: STAIN Tulungagung, 2012. Skripsi.