Roger Poppen. (1998). Behavioural Relaxation Training and Assessment (2nd.). Sage Publications.
Chicago Edition CitationRoger Poppen. Behavioural Relaxation Training and Assessment. 2nd. New Delhi: Sage Publications, 1998.
MLA Edition CitationRoger Poppen. Behavioural Relaxation Training and Assessment. 2nd. Sage Publications, 1998.
Warning: These citations may not always be 100% accurate.