McKenna, P., Osborne, M., & Willbourn, H. (2009). I can make you sleep: Overcome insomnia forever and get the best rest of your life. Sterling.
Citace podle Chicago (17th ed.)McKenna, Paul, Mike Osborne, a Hugh Willbourn. I Can Make You Sleep: Overcome Insomnia Forever and Get the Best Rest of Your Life. New York: Sterling, 2009.
Citace podle MLA (8th ed.)McKenna, Paul, et al. I Can Make You Sleep: Overcome Insomnia Forever and Get the Best Rest of Your Life. Sterling, 2009.
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