APA
Chokroverty S., . (2007). 100 Questions & Answers About Sleep and Sleep Disorders. : Jones & Bartlett Publishers.
Chicago
Chokroverty Sudhansu, . 2007. 100 Questions & Answers About Sleep and Sleep Disorders. : Jones & Bartlett Publishers.
Harvard
Chokroverty S., . (2007). 100 Questions & Answers About Sleep and Sleep Disorders. : Jones & Bartlett Publishers.
MLA
Chokroverty Sudhansu, . 100 Questions & Answers About Sleep and Sleep Disorders. : Jones & Bartlett Publishers. 2007.