Gaya APA

Basuni, M., Duri, M. (2013). Bilingual crossword puzzle to improve the students' vocabulary achievement . Jawa Timur: Unit Pengembangan Bahasa IAIN Tulungagung.

Gaya MLA

Basuni, Muh., Duri, Munika. "Bilingual crossword puzzle to improve the students' vocabulary achievement". Jawa Timur: Unit Pengembangan Bahasa IAIN Tulungagung, 2013. Text.