APA način citiranja

Calverley, P. M., & Shapiro, C. M. (1993). ABC of sleep disorders. Medical problems during sleep.

Čikaški stil citiranja

Calverley, P M., i C M. Shapiro. ABC of Sleep Disorders. Medical Problems During Sleep. 1993.

MLA način citiranja

Calverley, P M., i C M. Shapiro. ABC of Sleep Disorders. Medical Problems During Sleep. 1993.

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