Cita APA

Parkes, D. (1980). Sleep, Vol 2: Diagnostic classification of sleep and arousal disorders.

Chicago Style Citation

Parkes, David. Sleep, Vol 2: Diagnostic Classification of Sleep and Arousal Disorders. 1980.

Cita MLA

Parkes, David. Sleep, Vol 2: Diagnostic Classification of Sleep and Arousal Disorders. 1980.

Atenció: Aquestes cites poden no estar 100% correctes.