Gaya APA

Erica, B, P, B, G, B. (2011). Qualitative Methods In Psychology: A Research Guide . : McGraw-Hill Education (UK).

Gaya MLA

Erica, Banister;, Peter;, Bunn;, Geoff;, Burman;. "Qualitative Methods In Psychology: A Research Guide". : McGraw-Hill Education (UK), 2011. Text.