Gaya APA

BAARDA, B. (2010). Research. This is it! A guide to quantitative and qualitative research (Edisi kelima). Nederlands: noordhoff uitgevers.

Gaya MLA

BAARDA, BEN. "Research. This is it! A guide to quantitative and qualitative research". Edisi kelima Nederlands: noordhoff uitgevers, 2010. Monograf.