APA (7. basım) Alıntı
Sommer, R. (1997). A practical guide to behavioral research: Tools and techniques (4th ed.). OUP.
Chicago Style (17. basım) Atıf
Sommer, Robert. A Practical Guide to Behavioral Research: Tools and Techniques. 4th ed. New York: OUP, 1997.
MLA (9th ed.) Atıf
Sommer, Robert. A Practical Guide to Behavioral Research: Tools and Techniques. 4th ed. OUP, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..