Gaya APA

Sally, J, D., J, I, S, P. (2003). TriMathlon: a workout beyond the school curriculum . Massachusetts: Massachusetts: A K Peters, 2003.

Gaya MLA

Sally, Judith, D., J, I., Sally,, Paul. "TriMathlon: a workout beyond the school curriculum". Massachusetts: Massachusetts: A K Peters, 2003, 2003. Text.