Cooper, S., Oborne, J., Newton, S., Harrison, V., Thompson, C., Lewis, S., & Tattersfield, A. (2003). Effect of two breathing exercises (Buteyko and pranayama) in asthma: A randomised controlled trial. BMJ Group.
Chicago-tyylinen lähdeviittausCooper, S., J. Oborne, S. Newton, V. Harrison, C. Thompson, S. Lewis, ja A. Tattersfield. Effect of Two Breathing Exercises (Buteyko and Pranayama) in Asthma: A Randomised Controlled Trial. BMJ Group, 2003.
MLA-viiteCooper, S., et al. Effect of Two Breathing Exercises (Buteyko and Pranayama) in Asthma: A Randomised Controlled Trial. BMJ Group, 2003.
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