Gaya APA

mm, D, E, R, S, M, &, D, H, A. (2014). The Student Leadership Challenge : Activities Book . San Francisco: the leadership challenge - a w.

Gaya MLA

mm, Drs., Eti, Rochaeti, Se,, Mm, &, Drs., H.ahmad, Abubakar,. "The Student Leadership Challenge : Activities Book". San Francisco: the leadership challenge - a w, 2014. Text.