Kleinsimlinghaus, R. (1998). Collectors classics: Modern and contemporary art.
Čikaški stil citiranja (17. izdanje)Kleinsimlinghaus, Ralph. Collectors Classics: Modern and Contemporary Art. Düsseldorf, 1998.
MLA način citiranja (8. izdanje)Kleinsimlinghaus, Ralph. Collectors Classics: Modern and Contemporary Art. 1998.
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