Klinger, H., & Kennedy, W. (1990). Metaplacenticeras subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand.
Čikaški stil citiranja (17. izdanje)Klinger, H., i W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.
MLA način citiranja (9. izdanje)Klinger, H., i W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.
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