APA
"Hirshkowitz M., .Sleep-related breathing disorders and positive airway pressure therapy in adults. Philadelphia: .
Chicago
"Hirshkowitz Max", .Sleep-related breathing disorders and positive airway pressure therapy in adults. Philadelphia: .
Harvard
"Hirshkowitz M., .Sleep-related breathing disorders and positive airway pressure therapy in adults. Philadelphia: .
MLA
"Hirshkowitz Max", .Philadelphia: . .