Παραπομπή APA

Barnett, V. (2002). Sample survey: Principles and methods/3rd ed. John Wiley &Sons.

Παραπομπή Chicago Style

Barnett, Vic. Sample Survey: Principles and Methods/3rd Ed. UK: John Wiley &Sons, 2002.

Παραπομπή MLA

Barnett, Vic. Sample Survey: Principles and Methods/3rd Ed. John Wiley &Sons, 2002.