Visser, P., & Cluydts, R. J. G. (1986). The General Practitioner and the Clinical Investigation of Sleep Complaints. Roche Scientific Service.
Čikaški stil citiranja (17. izdanje)Visser, P., i R. J. G. Cluydts. The General Practitioner and the Clinical Investigation of Sleep Complaints. Basel, Switzerland: Roche Scientific Service, 1986.
MLA način citiranja (9. izdanje)Visser, P., i R. J. G. Cluydts. The General Practitioner and the Clinical Investigation of Sleep Complaints. Roche Scientific Service, 1986.
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