Gaya APA

Hoffmann, M, H, , &, L, J, A. (2015). Facilitating problem-based learning by means ofcollaborative argument visualization software. . : .

Gaya MLA

Hoffmann, Michael, H.G., , &, Lingle,, Jeremy, A.. "Facilitating problem-based learning by means ofcollaborative argument visualization software. ". : , 2015. Majalah.