伊德兹科夫斯基 & 库宗波. (2009). 睡眠决定健康: Secret to sleeping well and waking refreshed sleep. 凤凰出版社.
Dyfyniad Arddull Chicago伊德兹科夫斯基 and 库宗波. 睡眠决定健康: Secret to Sleeping Well and Waking Refreshed Sleep. 凤凰出版社, 2009.
Dyfyniad MLA伊德兹科夫斯基 and 库宗波. 睡眠决定健康: Secret to Sleeping Well and Waking Refreshed Sleep. 凤凰出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.