Gaya APA

Sumardianta, J, , (. (2011). Tapal batas: A journey to powerful breakthrough. . Yogyakarta: Yogyakarta Kaiswaran & SMA Kolese De Britto.

Gaya MLA

Sumardianta, Johannes, , (ed.). "Tapal batas: A journey to powerful breakthrough. ". Yogyakarta: Yogyakarta Kaiswaran & SMA Kolese De Britto, 2011. Buku.