Gaya APA

Freund, Rudolf J.. (2003). Statustical methods (ed. 2). USA: Elsevier.

Gaya Chicago

Freund, Rudolf J.. Statustical methods. ed. 2 USA: Elsevier, 2003. Text.

Gaya MLA

Freund, Rudolf J.. Statustical methods. ed. 2 USA: Elsevier, 2003. Text.

Gaya Turabian

Freund, Rudolf J.. Statustical methods. ed. 2 USA: Elsevier, 2003. Print.