Niemi, H. (1987). The meaning of life among secondary school pupils: A theoretical framework and some initial results. Research bulletin / Institute of Education, University of Helsinki.
Цитирование в стиле Чикаго (17-е изд.)Niemi, Hannele. "The Meaning of Life Among Secondary School Pupils: A Theoretical Framework and Some Initial Results." Research Bulletin / Institute of Education, University of Helsinki 1987.
Цитирование MLA (8-е изд.)Niemi, Hannele. "The Meaning of Life Among Secondary School Pupils: A Theoretical Framework and Some Initial Results." Research Bulletin / Institute of Education, University of Helsinki, 1987.
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