Gaya APA

Schmidt, F, L., Hunter, J, E. (2015). Methods of meta-analysis : correcting error and bias in research findings (3rd ed.). Thousand Oaks, California: SAGE Publications.

Gaya MLA

Schmidt, Frank, L.., Hunter, John, E.. "Methods of meta-analysis : correcting error and bias in research findings". 3rd ed. Thousand Oaks, California: SAGE Publications, 2015. Text.