Gaya APA

Trevisan, M, S., Walser, T, M. (2015). Evaluability assessment : improving evaluation quality and use . Thousand Oaks, California: SAGE Publications.

Gaya MLA

Trevisan, Michael, S.., Walser, Tamara, M.. "Evaluability assessment : improving evaluation quality and use". Thousand Oaks, California: SAGE Publications, 2015. Text.