APA-čujuhus (7. p.)
CALAFAT, A., & ET AL. (1999). NIGHT LIFE IN EUROPE AND RECREATIVE DRUG USE. SONAR 98. IREFREA.
Chicago-čujuhus (17. p.)
CALAFAT, A., juo ET AL. NIGHT LIFE IN EUROPE AND RECREATIVE DRUG USE. SONAR 98. PALMA DE MALLORCA: IREFREA, 1999.
MLA-čujuhus (9. p.)
CALAFAT, A., juo ET AL. NIGHT LIFE IN EUROPE AND RECREATIVE DRUG USE. SONAR 98. IREFREA, 1999.
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