Dyfyniad APA

BURNS ROBERT B. (2000). INTRODUCTION TO RESEARCH METHODS (4TH.). LONGMAN GROUP.

Dyfyniad Arddull Chicago

BURNS ROBERT B. INTRODUCTION TO RESEARCH METHODS. 4TH. AUSTRALIA: LONGMAN GROUP, 2000.

Dyfyniad MLA

BURNS ROBERT B. INTRODUCTION TO RESEARCH METHODS. 4TH. LONGMAN GROUP, 2000.

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