BURNS ROBERT B. (2000). INTRODUCTION TO RESEARCH METHODS (4TH.). LONGMAN GROUP.
Chicago Style (17. basım) AtıfBURNS ROBERT B. INTRODUCTION TO RESEARCH METHODS. 4TH. AUSTRALIA: LONGMAN GROUP, 2000.
MLA (9th ed.) AtıfBURNS ROBERT B. INTRODUCTION TO RESEARCH METHODS. 4TH. LONGMAN GROUP, 2000.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..