APA Style

LEO, Sutanto. (2013). A Challenging Book to Practice Teaching in English (Edisi ke- 1). Yogyakarta: Andi.

Chicago Style

LEO, Sutanto. A Challenging Book to Practice Teaching in English. Edisi ke- 1 Yogyakarta: Andi, 2013. Text.

MLA Style

LEO, Sutanto. A Challenging Book to Practice Teaching in English. Edisi ke- 1 Yogyakarta: Andi, 2013. Text.

Turabian Style

LEO, Sutanto. A Challenging Book to Practice Teaching in English. Edisi ke- 1 Yogyakarta: Andi, 2013. Print.