APA (7. basım) Alıntı
Veenhoven, R. (2017). World Database of Happiness. Archive of research findings on subjective enjoyment of life. Erasmus University Rotterdam.
Chicago Style (17. basım) Atıf
Veenhoven, R. World Database of Happiness. Archive of Research Findings on Subjective Enjoyment of Life. Rotterdam: Erasmus University Rotterdam, 2017.
MLA (9th ed.) Atıf
Veenhoven, R. World Database of Happiness. Archive of Research Findings on Subjective Enjoyment of Life. Erasmus University Rotterdam, 2017.
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