APA stil citiranja

Valković, V. (1981). Trace elements in coal: Trace elements in coal : a bibliography. Zagreb: Institut "Ruđer Bošković".

Chicago stil citiranja

Valković, Vladivoj. Trace elements in coal: Trace elements in coal : a bibliography. Zagreb: Institut "Ruđer Bošković", 1981.

MLA stil citiranja

Valković, Vladivoj. Trace elements in coal: Trace elements in coal : a bibliography. Zagreb: Institut "Ruđer Bošković", 1981.

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