Freeman, S., & Herron, J. C. (2014). Evolutionary analysis (Fourth edition.). Pearson Education Limited.
Chicago Style aipamenaFreeman, Scott, and Jon C. Herron. Evolutionary Analysis. Fourth edition. Essex, England: Pearson Education Limited, 2014.
MLA aipamenaFreeman, Scott, and Jon C. Herron. Evolutionary Analysis. Fourth edition. Pearson Education Limited, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.