Παραπομπή APA

Barnett, V. (1991). Sample survey principles and methods ([2nd ed.].). London: Edward Arnold.

Παραπομπή Chicago Style

Barnett, Vic. Sample Survey Principles and Methods. [2nd ed.]. London: Edward Arnold, 1991.

Παραπομπή MLA

Barnett, Vic. Sample Survey Principles and Methods. [2nd ed.]. London: Edward Arnold, 1991.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.