Gaya APA

Pritchard, F, F., I., W, I, G. (2004). Serve and learn : implementing and evaluating service-learning in middle and high schools . Mahwah, NJ: Lawrence Erlbaum Associates.

Gaya MLA

Pritchard, Florence, Fay., I., Whitead, III,, George. "Serve and learn : implementing and evaluating service-learning in middle and high schools". Mahwah, NJ: Lawrence Erlbaum Associates, 2004. Text.