Nichols, H. J., & Kelser, R. A. (1922). Carriers in infectious diseases: A manual on the importance, pathology, diagnosis and treatment of human carriers. Williams & Wilkins company.
Čikaški stil citiranja (17. izdanje)Nichols, Henry James, i Raymond Alexander Kelser. Carriers in Infectious Diseases: A Manual on the Importance, Pathology, Diagnosis and Treatment of Human Carriers. Baltimore: Williams & Wilkins company, 1922.
MLA način citiranja (8. izdanje)Nichols, Henry James, i Raymond Alexander Kelser. Carriers in Infectious Diseases: A Manual on the Importance, Pathology, Diagnosis and Treatment of Human Carriers. Williams & Wilkins company, 1922.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.