Brooks, R., & Joynson, D. H. (1990). ACP Broadsheet no 125: July 1990. Bacteriological diagnosis of diphtheria.
Čikaški stil citiranjaBrooks, R., i D H. Joynson. ACP Broadsheet No 125: July 1990. Bacteriological Diagnosis of Diphtheria. 1990.
MLA način citiranjaBrooks, R., i D H. Joynson. ACP Broadsheet No 125: July 1990. Bacteriological Diagnosis of Diphtheria. 1990.
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