APA (7th ed.) Citation

Spector, P. E. (2004). Research designs (24. [print.].). Sage.

Chicago Style (17th ed.) Citation

Spector, Paul E. Research Designs. 24. [print.]. Newbury Park u.a: Sage, 2004.

MLA (9th ed.) Citation

Spector, Paul E. Research Designs. 24. [print.]. Sage, 2004.